The most significant characteristic of the nematodes is

Answers

Answer 1

1)Bilaterally symmetrical, and vermiform. 
2)Body has more than two cell layers, tissues and organs. 
3)Body cavity is a pseudocoel, body fluid under high pressure. 
4)Body possesses a through gut with a subterminal anus. 
5)Body covered in a complex cuticle. 
6)Has a nervous system with pharyngeal nerve ring. 
7)Has no circulatory system (no blood system) 
8)Reproduction normally sexual and gonochoristic. 
9)Feed on just about everything. 
10)Live just about everywhere, many species are endoparasites.
Answer 2
They destroy everything.


Related Questions

In a windmill, electrical voltage is produced in the _____. rotor blades shaft generator wires to your house

Answers

In a windmill, electric voltage is produced in the GENERATOR. A generator is a machine that produces a voltage by means of electromagnetic induction. This is done by rotating coils of wire through a magnetic field or by rotating a magnetic field or by rotating a magnetic field past coils of wire.
The wind serves as the energy that sustains this rotation at it drives the arms of the device to spin.

The generator boo boo kitty

Zara is an excellent violin player. Which part of her brain is responsible for the motor skills involved in playing a violin?
thalamus
medulla oblongata
hypothalamus
cerebellum

Answers

Cerebellum hope I helped !

Answer:

its defiantly the Cerebellum i got 5/5 on Plato!

Explanation:

In this ecosystem diagram, pollution and human activities have led to a decrease in the number of eagles. A sudden viral attack on rabbits has led to a decrease in the population of rabbits in the ecosystem. Based on these changes, which two of the following predictions are scientifically sound?

Answers

We need to see the predator relationships that exist in the system but also the competition for various food sources. The fact that eagles  decrease, means that their direct prey, snakes will increase in numbers; similarly, the grass will increase for a while; but rabbit were competing with gnats for the grass. Now that rabbits are gone, the gnats will proliferate. Now, knowing that, we can eliminate answer choices b, c, d, so we are technically done. To verify e), notice now that the snakes that are preying on frogs will increase in numbers; thus the frogs will decrease.

This type of animal tissue can be divided into two types, voluntary and involuntary. 1 epithelial
2 muscular
3 smooth
4 nervous

Answers

2. muscular

skeletal muscle (voluntary)
smooth muscle (involuntary)

Answer:

2. muscular tissue.

Explanation:

The muscular tissue is responsible for the movement of the body, body parts, and organs. About 40% of our body is formed of muscles. The muscle tissue is made up of highly contractile muscle fibers.  

There are 3 types of muscular tissues - skeletal muscle / voluntary muscle, smooth muscle / involuntary muscle, cardiac muscle.

Skeletal muscles are striped in appearance and hence called as striated muscles. Their muscle activities are under the control of an individual's will. Therefore, these muscles are known as voluntary muscle.  

The second type of muscular tissue is smooth muscle. These are located in the inner wall of visceral organs such as the GI tract, reproductive organs, etc. They are smooth in appearance, hence known as smooth muscle. These muscles are not under the control of one's will. Hence it is called involuntary muscle.  

The third type of muscle is cardiac muscle. It is exclusively present in the heart. Many cardiac muscle cells are arranged in branches to form a cardiac muscle.

Research has shown a link between cancer and which sexually transmitted disease

Answers

Research has found a link between human papillomavirus (HPV) and various types of cancer. In women, this is cervical cancer, whereas in men, a link to penile cancers has been found. For both sexes, links to cancers of the mouth, throat, and anus have been found.

By what 2 different mechanisms could mutant phages change to become capable of lysing
e. coli k

Answers

The switching from lysogenic to the lytic cycle, also called lysogenic induction, can be caused by a double-stranded break in the prophage or can be caused by a mutagen. These factors could cause disruption of the cI & cro genes that are responsible for regulating the lytic-lysogenic cycles of bacteriophages..


________ is a compound produced by sponges that can kill ________.

Answers

1. Cribrostatin
2. Cancer cells 

Toxins is a compound produced by sponges that can kill predators

Sponges are fascinating marine creatures known for their filtering capabilities and unique adaptations. While most sponges are filter-feeders, relying on trapping bacteria and other food particles, there are also carnivorous species which feed primarily on tiny crustaceans through the use of sticky threads or hooked spicules. These can act as mechanical defenses, making sponges less palatable to potential predators. Additionally, some sponges host photosynthesizing micro-organisms as endosymbionts.

One compound that has been identified in some sponges, which has the potential to be useful in pharmacology, falls under the category of secondary plant compounds. While typically associated with plants, similar compounds can be found in various animals. In the case of sponges, these compounds can be toxic to predators, and, interestingly, some of them have shown potential as pharmaceuticals due to their bioactive properties.

Although the student's question is incomplete as it does not specify which compounds and what they may kill, secondary metabolites produced by sponges and their symbionts have been researched for their antimicrobial properties and could potentially be developed into drugs that can kill harmful bacteria, fungi, or even cancer cells.

To prepare for an important midterm, Zoe studies 90 minutes each night for five nights. Zoe's method exemplifies:

Answers

The answer would be: Distributed practice
Distributed practice is a method of learning that involves a repeated session of practice over a period of time. It is more effective than a longer session in short period of time. The spacing effect in this method will make it easier to store learned lesson into long-term memory. 

Which technique takes advantage of the requirement of glucose for more fuel?

Answers

2-DG Autoradiography

2-DG Autoradiography is a technique used to study the neuronal organization of certain aspect of behavior such as hibernation, thought, sleep and language. This technique can also be used to correlate some specific aspect of human behavior to regional pattern of glucose utilization in the brain. However, 2-DG Autoradiography was developed by sokoloff and his associates to determine and measure glucose utilization in the brain.

If you are writing a report on your family tree, all of these are considered primary sources EXCEPT A) a photograph B) a diary entry C) a birth certificate D) a guide to family research

Answers

D. A Guide to family research

Answer:

D

Explanation:

A guide to family research is a source, but it is not primary. A primary source is not presented by a third party; it is direct.

Which factor affects sensation?

Answers

touch i believe is the correct answer sense there is no multiple choice        

Answer:

Perception

Explanation:

Perception selects, organizes and interprets the inputs from the physical world into our brain in other words sensation must go through perception so we can understand and interpret the information that our senses are collecting. Perception can vary between individuals since it is influenced by the individual's available knowledge, experiences and thoughts.

organisms in the aquatic ecosystem in the picture must be adapted to which abiotic factors

Answers

WATER........................................

Organisms in the aquatic ecosystem in the picture must be adapted to several abiotic factors, including water temperature, dissolved oxygen levels, pH levels, water flow rate, and nutrient availability.

What are abiotic factors?

Abiotic factors can greatly impact the survival and growth of aquatic organisms, so they have developed various adaptations to cope with these conditions.

An example of the effect of abiotic factor on organisms in aquatic ecosystem is that fish may have special respiratory systems to extract oxygen from water with low dissolved oxygen levels, and algae may have specialized pigments to absorb light in deep waters with low light availability.

Additionally, some organisms may be able to regulate their body temperature or tolerate extreme pH levels to survive in their aquatic habitat.

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How would soaps made from vegetables oils differ from soaps made from animal fats?

Answers

So, we need to know the concept of saturated and unsaturated
Unsaturated fatty acids have one or more double/triple bonds and can absorb more hydrogen atoms.
Saturated fatty acids do not have the above-mentioned properties
The difference between soaps made from vegetable oils and from animal fats are that:
Vegetable oil is unsaturated and therefore the soap is liquid
Animal fats are saturated and therefore the soap is more solid

In corn snakes, the wild-type color is brown. one autosomal recessive mutation causes the snake to be orange, and another causes the snake to be black. an orange snake was crossed to a black one, and the f 1 offspring were all

Answers

Is this a question if it is please make it clear because it seems to me that your not asking anything

Answer:

s this a question?

Explanation:

Why is it possible to detect the pungent odor of ozone after a lightning storm?

Answers

Energy from lightning or from an electrical are associated with a transformer can cause oxygen molecules in the air to split from oxygen atoms. The oxygen atoms then react with oxygen molecules to produce ozone.

The pungent smell of ozone after a lightning storm is caused by the formation of ozone from oxygen due to the electric discharge from lightning, leading to ozone's characteristic sharp odor.

The pungent odor of ozone detected after a lightning storm is due to the formation of ozone from oxygen during electrical discharges. When a lightning strike occurs, the high energy from the electric discharge breaks the chemical bonds of atmospheric oxygen (O₂), creating free radicals. These oxygen radicals then recombine to form ozone (O₃), an allotrope of oxygen with a characteristic sharp smell that is often likened to chlorine bleach. Ozone can be hazardous in high concentrations, causing headaches, burning eyes, and respiratory irritation.

A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk. What might be a risk of using this technology to produce milk?
A. Use of the GAH may allow the farmer to reduce milk prices.
B. Use of the GAH may increase the amount of hormones in the milk.
C. Use of the GAH may provide extra milk to feed the poor.
D. Use of the GAH may increase the availability of milk.

Answers

Answer:.Use of the GAH may increase the amount of hormones in the milk.

Explanation:The increased amount of hormones could cause unintended transmission of the genetically altered hormone or related hormones to be present in the milk.

A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk, so a risk is that the use of GAH may increase the amount of hormones in Option B milk.

What is a genetically altered hormone?

Genetically altered hormone (GAH) in dairy cows may result in an increased amount of hormones in the milk, which has many negative implications for the safety of consuming such milk as excessive hormone levels have been linked to a number of health problems, including reproductive and developmental issues.

Hence, a farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk, so a risk is that the use of GAH may increase the amount of hormones in Option B milk.

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How do organisms grow and repair themselves?

Answers

Cells continually divide to make more cells.
Final answer:

Organisms grow and repair themselves through cell division, or mitosis. When an organism is damaged or injured, its cells can also divide and repair the affected area. This ability is vital for their survival and ensures their ability to adapt and respond to environmental changes.

Explanation:

Organisms grow and repair themselves through cell division, or mitosis. During mitosis, a single cell divides into two identical daughter cells. This process allows an organism to grow by increasing the number of cells in its body. Additionally, when an organism is damaged or injured, its cells can also divide and repair the affected area.

For example, if you cut your skin, the cells near the wound site will divide to create new cells that fill in the gap and repair the damaged area. Similarly, when bones break, the cells responsible for bone tissue formation will multiply and produce new bone cells, allowing the bone to heal.

Overall, the ability of organisms to grow and repair themselves is vital for their survival and ensures their ability to adapt and respond to environmental changes.

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How did more sophisticated microscope have allowed scientists to advance their knowledge of cells?

Answers

because they have an enhanced sight due to the amount of magnification and objective lens

What type of ecosystem covers most of the islands of southeast asia?

Answers

The type of ecosystem that covers much of South east Asia is the Rainforest Ecosystem. This ecosystem is characterized by heavy rainfall all year round (up to 4000 mm in some regions). The Temperature does not fluctuate much but remains in the range of 27-33 degrees Celsius annually.
Rain forest ecosystems have deep red soils known as latosols. Species are very diverse; both plants and animals. The trees here can reach up to 40 metres tall for the emergent layer. Trees are tall and have buttress roots for support. The leaves of plants have drip tips to allow water to run off quickly.

Sofia wants to help take care of dolphins and other sea mammals which field of study would be most useful to her

Answers

The study of marine life
I believe it would be marine biology 

What happens during the light reaction of photosynthesis? A. Water molecules combine to make food. B. Air and water create energy for a plant. C. Carbon dioxide is combined with glucose. D. Water molecules split apart.

Answers

Answer:

D, water molecules split

Explanation:

I took quiz :D

During the light reaction of photosynthesis water molecules split apart, the photochemical phase or light dependent Reactions are other names for this reaction, hence option D is correct.

What are different steps during photosynthesis?

A sequence of chemical events known as the "Light Reaction of Photosynthesis" are what is needed for the pigment found in leaves, such as chlorophyll, to transform light energy into chemical energy in the form of ATP and NADPH.

Autotrophic plants produce their own food through a process called photosynthesis. Sunlight, chlorophyll, CO2, and water are four crucial components needed for this process.

Therefore, the two steps of photosynthesis are the light reaction and the dark reaction. It is a response that is light dependent. It is a response that is not dependent on light.

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What are purebred organisms

Answers

Hello!

Purebred organisms, also known as true-breeding organisms, are organisms that always pass down phenotypic traits. It's offspring of a couple generations that have the same form of the trait.
Final answer:

Purebred organisms are individuals from the same species with consistent genetic traits passed down through generations of selective breeding. They can serve as key models for the study of genetics and the preservation of specific traits.

Explanation:

Purebred organisms are individuals of a species that possess a uniform set of genes for certain traits as a result of selective breeding or natural processes that encourage inbreeding among genetically similar individuals. Such organisms are bred intentionally to ensure that the traits are passed on to their offspring. To be considered a purebred, both parents must be purebred themselves, often for many generations back, which creates offspring that are genetically uniform.

In biology, organisms broadly encompass living entities that share certain characteristics such as reproduction, growth, and the ability to maintain homeostasis. Within species, reproduction can occur sexually or asexually, with purebred organisms being a result of controlled sexual reproduction, sometimes reinforced by artificial selection in agriculture or dog breeding, for instance.

By understanding how purebred organisms are created and maintained, scientists can preserve desirable traits and study the genetic underpinnings of those characteristics.

what are 2 examples of how sucralose is negatively affecting sea life in the sea and how

Answers

killing life and poisinus alge

Meiosis, which occurs during sexual reproduction, allows for a great variety of possible gene combinations. Which of the following can increase genetic variation during meiosis?

A. the deletion of a gene caused by an error in chromosomal crossover
B. the transposition of a gene from one place in an organism's genome to another
C. the exchange of genes during chromosomal crossover
D. the duplication of a gene caused by an error in chromosomal crossover

Answers

Final answer:

During meiosis, genetic variation is increased primarily through the exchange of genes during chromosomal crossover. This recombination process results in the production of offspring with distinct genetic combinations.

Explanation:

Meiosis is a crucial process in sexual reproduction that contributes to genetic variation among offspring. One key mechanism that increases genetic variation during meiosis is chromosomal crossover. This event occurs during prophase I, where non-sister chromatids of homologous chromosomes exchange segments of DNA, forming recombinant chromosomes that carry new combinations of alleles. Therefore, the correct answer to which of the following can increase genetic variation during meiosis is C. the exchange of genes during chromosomal crossover.

Crossover events are the first source of genetic variation in meiosis, leading to offspring having different combinations of genes from their parents. This recombination results in an immense level of potential variation among sexually reproducing organisms. For example, humans have the potential to produce more than 64 trillion genetically unique children.

Final answer:

OPTION C.

Chromosomal crossover during meiosis I is responsible for increasing genetic variation by exchanging segments of DNA between homologous chromosomes, resulting in gametes with unique combinations of genes.

Explanation:

The genetic variation during meiosis is significantly increased by the process known as chromosomal crossover. This event occurs during meiosis I, where homologous chromosomes pair up and exchange segments of DNA. Thus, the correct answer to which process can increase genetic variation during meiosis is C. the exchange of genes during chromosomal crossover. The recombinant chromatids that result from this process contain a unique combination of parental genes that were not present before the crossover, leading to increased genetic diversity in the gametes.

The __________ is commonly used to identify aerobic microorganisms.

Answers

The answer would be oxidase test.

Aerobic bacteria could use oxygen to create energy so they will survive better in an environment with high oxygen content. That happens because they have an enzyme that allows the uses of oxygen, called oxidation. 
Aerobic bacteria will have positive oxidase test indicated by the change of color into violet or purple.

A PV cell is made of two thin layers of _____.

A) tubes
B) insulation
C) semiconductor material
D) collector plates

Answers

A PV cell is made of two thin layers of semiconductor material such as silicon.

C)
The answer is c) semiconductor material 

Mass wasting _____. A) is the movement of sediment up a slope B) happens when glaciers pluck rocks from Earth's surface C)only happens in hot climates with a lot of moisture D) is caused by weathering and gravity

Answers

The correct answer is D: is caused by weathering and gravity.

The ________ attempts to tell us what it "feels like" in cold, windy conditions.a) wind chill indexb) heat indexc) cooling degree-daysd) growing degree-days

Answers

The wind chill index attempts to tell us what it "feels like" in cold, windy conditions. This index usually indicates the temperature it feels like outside to animals and people. It is also the rate of heat loss when the skin is exposed due to temperature and wind.


Figure 17-2 shows highest fitness toward the center of the curve. When individuals with an average form of trait have the highest fitness the result is
A-not predicable
B-disruptive selection
C-directional selection
D-stabilizing selection

Answers

D. Stabilizing selection

Answer:

Option-(D): Stabilizing selection.

Explanation:

Stabilizing selection:

The process in which a limited or specific number of the species get the chance to evolve through time or they get the best of chances to survive in any environment. As some of the traits may be lost due to the stabilizing form of natural selection.

Diversity is found all across the living beings, but when the process of natural selection follows the stabilizing pathway for selection then it will surely cause the end to diversity among beings.

For example:

The number of eggs that a bird lays and along with the weight of a human being child at the time of birth can be referred to as the stabilizing form of natural selection

altitude is the greatest factor determining climate conditions true or false
20 POINTS PLS HELPP

Answers

the answer is false. Hope this helps!
Altitude does affect climate as temperature decreases by 0.6 degrees for every 100m above sea level, however I wouldn’t say it is the greatest factor. I would say false.
Wind direction and latitude are more likely to have a greater affect on climate.
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