Answer:
b
Explanation:
As blood begins to circulate, it leaves the _________ from the left ventricle and goes into the aorta.
A: lungs
B: veins
C: heart
D: brain
As blood begins to circulate, it leaves the heart from the left ventricle and goes into the aorta. The correct option is C.
What is circulatory system?Blood vessels in the circulatory system transport blood away from and towards the heart.
Arteries transport blood away from the heart, while veins transport blood back to the heart.
The cardiovascular system transports oxygen, essential minerals, and hormones to cells while also removing pollutants such as carbon dioxide.
Blood flows from the body into the right atrium, then into the right ventricle, and finally into the pulmonary arteries in the lungs.
After picking up oxygen, blood returns to the heart via the pulmonary veins into the left atrium, then to the left ventricle, and finally to the body's tissues via the aorta.
Thus, the correct option is C.
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What effect did the Montreal Protocol have on Earth's ozone? (1 point)
It decreased ozone in the troposphere
It decreased ozone in the stratosphere.
It increased ozone in the stratosphere
It increased ozone in the troposphere
Answer:
increase ozone in the stratosphere
Answer:
It decreased ozone in the stratosphere.
explination:
The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement to protect the Earth's ozone layer by phasing out the chemicals that deplete it. This phase-out plan includes both the production and consumption of ozone-depleting substances.
PLEASE HELP MEEE its multiple choiceeeee
Level of organization order from largest to smallest:
A: cell, bacteria, virus
B: virus, cell, bacteria
C: bacteria, virus, cell
D: cell, virus, bacteria
In the system used to classify all organisms, which of the following is true? A: All groups have the same number of organisms.B: Organisms in the same group have similar characteristics.D: The largest groups have the most important animals.C: Organisms are placed in groups by how big they are.
Answer:
B: Organisms in the same group have similar characteristics.
Explanation:
All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. These smaller groups are based on more detailed similarities within each larger group. This grouping system makes it easier for scientists to study certain groups of organisms. Characteristics such as appearance, reproduction, mobility, and functionality are just a few ways in which living organisms are grouped together. These specialized groups are collectively called the classification of living things. The classification of living things includes 7 levels: kingdom, phylum, classes, order, families, genus, and species .
Kingdoms
The most basic classification of living things is kingdoms. Currently there are five kingdoms. Living things are placed into certain kingdoms based on how they obtain their food, the types of cells that make up their body, and the number of cells they contain.
Phylum
The phylum is the next level following kingdom in the classification of living things. It is an attempt to find some kind of physical similarities among organisms within a kingdom. These physical similarities suggest that there is a common ancestry among those organisms in a particular phylum.
Classes
Classes are way to further divide organisms of a phylum. As you could probably guess, organisms of a class have even more in common than those in an entire phylum. Humans belong to the Mammal Class because we drink milk as a baby.
Order
Organisms in each class are further broken down into orders. A taxonomy key is used to determine to which order an organism belongs. A taxonomy key is nothing more than a checklist of characteristics that determines how organisms are grouped together.
Families
Orders are divided into families. Organisms within a family have more in common than with organisms in any classification level above it. Because they share so much in common, organisms of a family are said to be related to each other. Humans are in the Hominidae Family.
Genus
Genus is a way to describe the generic name for an organism. The genus classification is very specific so there are fewer organisms within each one. For this reason there are a lot of different genera among both animals and plants. When using taxonomy to name an organism, the genus is used to determine the first part of its two-part name.
Species
Species are as specific as you can get. It is the lowest and most strict level of classification of living things. The main criterion for an organism to be placed in a particular species is the ability to breed with other organisms of that same species. The species of an organism determines the second part of its two-part name.
Hope I am right on this one and that it helps you!
Organisms in the same group have similar characteristics, based on very fundamental, common traits, categories of all living things are identified, hence option B is correct.
What is classification of organisms?These more specific similarities within each bigger group form the basis for these smaller groups. It is simpler for scientists to investigate particular groups of organisms thanks to this classification scheme.
Living things can be categorized according to traits like appearance, reproduction, mobility, and usefulness, to name just a few.
The classification of living entities refers to all of these specialized divisions. The seven categories that make up the classification of living entities are kingdom, phylum, classes, order, families, genus, and species.
Therefore, option B is correct.
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This is the kingdom of heterotrophs that obtain energy and nutrients from dead and decaying organic matter.
Example: mushrooms
Answer: Kingdom Fungi/Fungus
Explanation:
Explanation:
saprophytic feed on dead and decaying organic matter
c) What is produced by mitosis? (1 point)
Answer:
A new/replication of the cell that underwent mitosis.
Answer:
In eukaryotic cells mitosis produces new cells
In prokaryotic cells it reproduces other cells
Identify the nonspecific immune response described
______is characterized by heat redness, swelling and pain.
______is the 1st line of defense that prevents pathogens from entering body.
______causes elevated internal temperatures making a less hospitable environment for
pathogens.
______are white bloods cells that try to consume pathogen.
Options are Fever- Inflammation-Phagocytes-Skin
The initial line of defense against pathogens entering the body is the nonspecific immune response, 1- Inflammation, 2-Skin, 3- Fever, 4-Phagocytes.
What is a nonspecific immune response?Which is marked by heat, redness, swelling, and discomfort.key indicators of inflammation five recognizable symptoms are produced by the body as a result of inflammation.
A tumor (swelling, edema), heat flushing (redness), discomfort, and function loss. Vascular dilatation results in heat and flushing, and an increase in local blood flow gives the area a crimson hue.
The nonspecific immune response, which is marked by heat, redness, swelling, and discomfort, is the body's first line of defense against infections.
Therefore, in nonspecific immune response, 1- Inflammation, 2-Skin, 3- Fever, 4-Phagocytes, is characterized.
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Answer:
1- Inflammation
2- Skin
3- Fever
4- Phagocytes
Which characteristic contributes MOST to the survival of the different birds on the islands?
the main food sources of the birds
the habitats in which the birds live
the shapes of the birds' beaks
the nanulations of the birds on the island
Final answer:
The shapes of the birds' beaks are the most crucial characteristic for their survival, reflecting adaptations to their specific food sources on islands like the Galápagos, a process known as adaptive radiation.
Explanation:
The characteristic that contributes most to the survival of different birds on islands such as the Galápagos is the shape of the bird's beaks. Through a process known as adaptive radiation, bird populations that colonize new environments, like isolated islands, can undergo evolution to fill various ecological niches. The beaks of birds have adapted to become most efficient for the food sources available in their specific habitat. For instance, seed-eating birds have thicker, stronger beaks to break hard nuts, nectar-eating birds have long beaks to access nectar deep within flowers, and insect-eating birds have beak shapes suitable for capturing and impaling insects. This specialization of beak shapes, sculpted by natural selection, is critical for the bird's ability to find food and thus, for their survival.
What position correctly describes the human anatomical position?
If the high projection is correct, what will need to happen to
ensure the human population has enough food?
O
A. Humans will have to focus more on ideas and services.
O
B. Humans will have to return to hunting and gathering.
O
C. Humans will have to find more efficient ways of growing crops.
To ensure adequate food for a growing human population, we must focus on sustainable food systems and more efficient crop production, increasing the environment's carrying capacity while minimizing environmental impacts.
Explanation:If the high projection of human population is accurate, to ensure there is enough food, humans will have to find more efficient ways of growing crops. With the burgeoning population, it is essential that sustainable food systems are employed to provide healthy diets while minimizing environmental impacts. This involves improving agricultural productivity, reducing waste, and developing technologies for better food production methods. The shift towards high-efficiency agriculture should ideally increase the carrying capacity of our environment, allowing it to support a greater human population sustainably. This tackles the challenges outlined in Cornucopian theory, which relies heavily on human ingenuity to overcome resource limitations. Moreover, as global demand for higher quality food grows, and natural habitats are converted to croplands, strategies to prevent the risk of species extinction and maintain biodiversity must be integral to food production planning.
A flood that covers and meadow and drowns animals and a late frost that kills young
plants are examples of how ___________ can affect the size of a population.
Answer:
weather
Explanation:
A flood that covers a meadow and drowns animals and a late frost that kills young plants are examples of how ____ can affect the size of a population.
They are all examples of how Weather can affect the size of a population : Weather
Effects of Weather conditionsWeather conditons of an ecosystem plays a vital role in the growth and survival of populations of species in the ecosytem. Harsh or adverse weather conditions such as heavy flooding, and severe drought conditions adversly affects the population of species in a ecosystem.
Hence we can conclude that They are all examples of how Weather can affect the size of a population
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Which organism in an ecosystem eats other organisms?
A. decomposer
B. consumer
C. producer
D. prey
Answer:
Consumer
Explanation:
Consumers eat other organisms in their ecosystem to survive
Thank me later :)
Question 1(Multiple Choice Worth 4 points)
The steps in the formation of metamorphic rocks are listed below in an incorrect order.
1. Rock is buried deep under earth's surface.
2. Rock is subjected to high temperature and pressure.
3. Rocks with new properties are created.
4. Rock changes in particle arrangement and structure.
Which of these best shows the correct order of steps in the formation of metamorphic rocks?
1, 2, 4, 3
2, 1, 3 ,4
3 ,1 ,4,2
4 ,2 ,3 ,1
The correct sequence for forming metamorphic rocks is: 1. Rock is buried deep under Earth's surface, 2. Rock is subjected to high temperature and pressure, 4. Rock changes in particle arrangement and structure, 3. Rocks with new properties are created.
Explanation:The correct order of steps in the formation of metamorphic rocks is initially the rock being buried deep under the Earth's surface, followed by it being subjected to high temperature and pressure. Once these conditions are met, the rock's particle arrangement and structure start changing, and ultimately, new rocks with altered properties are created. Therefore, the answer to the question is 1, 2, 4, 3, indicating that first, the rock is buried, then it is subjected to high temperatures and pressure, followed by its structure changing, and finally, resulting in the formation of rocks with new properties.
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Final answer:
The correct order of steps in the formation of metamorphic rocks is 1, 2, 4, 3.
Explanation:
The correct order of steps in the formation of metamorphic rocks is 1, 2, 4, 3.
First, the rock is buried deep under Earth's surface. Then, the rock is subjected to high temperature and pressure. As a result, the rock changes in particle arrangement and structure. Finally, new rocks with new properties are created.
For example, when a sedimentary rock like shale is buried deep, it can be subjected to intense heat and pressure and transform into a metamorphic rock called slate which has a different structure and properties.
Which of the following statements is true?
A) Genes make up chromosomes.
B) Chromosomes make up proteins.
C) Chromosomes make up genes.
D) Genes make up cells.
Functionality of Genes and chromosomes is described below.
Explanation:
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes.Genes are contained in chromosomes, which are in the cell nucleus.A chromosome contains hundreds to thousands of genes.Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes.A trait is any gene-determined characteristic and is often determined by more than one gene.Some traits are caused by mutated genes that are inherited or that are the result of a new gene mutation.The body produces thousands of different enzymes. Thus, the entire structure and function of the body is governed by the types and amounts of proteins the body synthesizes. Protein synthesis is controlled by genes, which are contained on chromosomes.the genotype is a complete set of instructions on how that person’s body synthesizes proteins and thus how that body is supposed to be built and function. The phenotype is the actual structure and function of a person’s body. The phenotype is how the genotype manifests in a person—not all the instructions in the genotype may be carried out (or expressed). Whether and how a gene is expressed is determined not only by the genotype but also by the environment (including illnesses and diet) and other factors, some of which are unknown. A karyotype is a picture of the full set of chromosomes in a person’s cells.cellular DNA is stored in the blank, an organelle that also acts as the brain of the cell and directs all cellular activities
Answer:
nucleus
Explanation:
nucleus is an organelle that is aka "brain of the cell"
Answer:
Nucleus
Explanation:
Nucleus is an organelle that controls all cells activities
an amoeba is a single celled organism that feeds on algae plant cells and bacteria when an amoeba feeds it first makes contact with the food particle next the amoeba starts to surround the particle once the particle is completely engulfed it is surrounded by a layer of the amoebas membrane forming a vasicle the ph in the vesicle is then lowered and the contents are degraded. what type of transport is involved in this process? A exocytosis B endocytosis C passive transport D diffusion
Answer:
B endocytosis
Explanation:
Amoeba is madeup of single cell and having a true nucleus or membrane around the nucleus. Amoeba belongs to kingdom protista because it has some characteristics of animals such as it can move from one place to another. Amoeba used phagocytosis which is a type of endocytosis in which large substances are entered into the cell.
Please help.
NOT BIOLOGY! EARTH SCIENCE WASN'T A CHOICE!!
Answer:
Deforestation - The clearing or cutting down of trees.
Desertification - The process by which habitable land turns uninhabitable.
Urbanization- The movement of people from rural areas to cities.
Explanation:
I had earth sciences last year and I forgot most of what happened but eh you could probably solve this with the root words of the words.
"Deforest," or "derive of a forest." Cut down trees.
"Desert" or "deserted," uninhabitable.
"Urban, urbanized" like "urbanized area" or "urbanized population" which relates to a town or a city.
Hope this helped.
I just need 1 and 5 can you help me pleaseee
Which of the following statements is not accurately describing a T Cell?
A) T-Cells mature in the thymus
B) T-Cells can contact any cell in the body that is presenting an antigen
C) T-Cells only make antibodies when they are in contact with B-Cells
D) T-Cells must make contact with the surface of another cell to be fully activated
A is wrong.
B is right because that is their job.
C is wrong because that is the B-cells' role.
D is wrong.
Before the chickenpox vaccination was available, children were often purposely exposed to the virus at
young age. What was the reason for doing this?
ANSWER: Children were purposely exposed to the virus at a young age because once this virus enters in a human body, the body gradually develops immunity and a resistance to this virus, and hence, later after it's cure there are almost no chances of getting the virus of chickenpox again in a same body.
Which statement is true about DNA?
Answer:
B
Explanation:
Both of the original DNA strands act as templates during replication. This option is correct.
Each living thing in a food chain plays a role in the flow of energy in an ecosystem. To the right this is a picture of a simple food chain. The rabbit eats the carrots in the fox it’s the rabbit. What is the primary role of the rabbit in this food chain
A). To form a habitat
B). To find space to live
C). To be a source of water
D). To be a source of energy
The primary role of the rabbit in this food chain is to be a source of energy.
The primary role of the rabbit in this food chain is to be a source of energy.
In a food chain, energy flows from one organism to another as organisms eat and are consumed by other organisms.
The rabbit, as a herbivore, consumes the carrots in the food chain and serves as a source of energy for the fox.
The energy stored in the rabbit's body is then transferred to the fox when it eats the rabbit.
To which bone does the arrow point?
O
A. Tibia
O
B. Phalanges
O
C. Ulna
OD. Fibula
Answer:
your ulna
Explanation:
C
what type of fossil would provide the best information about how an organism behaved?
A. a true form fossil
B. a mold fossil
C. a cast fossil
D. a trace fossil
Pls hurry and answer
Answer:
Trace Fossil
Explanation:
Answer:
D
Explanation:
A mold or cast fossil is the shape of the animal's body that displaced dirt and sand. Meanwhile, a true form fossil would only show the animal's appearances. Trace fossils are fossils such as footprints that help identify an animal's behavior.
What grows in a fertilized cone?
Answer:
Fertilization Follows. During the spring of the female cone's second year, the male and female gametes are ready. The pollen grows a pollen tube, which enters a little hole in the ovule's skin near its basal end, called the micropyle. The tube enters the ovule, and the sperm goes down the tube and into the ovule.
Answer:
The familiar woody cone is the female cone, which produces seeds. The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity. ... The female cone (megastrobilus, seed cone, or ovulate cone) contains ovules which, when fertilized by pollen, become seeds.
Explanation:
True or False: Most cells in the human body are the same age as the individual since we keep all of the cells we are born with.
Answer:
False
Explanation:
Our cells are dying every minute, and our body is making more to compensate for the losses. In fact, about 70 billion of our cells die each day!
Hope this helps! :)
Answer:
I’d say true
Explanation:
From what I know they merely get older and stop dividing. To say most not 100% sure since we get injured and that caused cells to die trying to help (exposure)
has amplitude, wavelength, and frequency
O
light
O
sound
O
light and sound
How many bronchi do we have?
Answer:
30,000
Explanation:
you welcom hope this helped you guys!
Which of the following is NOT a characteristic of organisms that make up the Domain Bacteria?
A. They lack membrane-bound organelles
B. They are multicellular
C. They lack a nucleus
D. They live in both aquatic and terrestrial habitats
Answer:
B
Explanation:
Bacteria is not multicellular it is unicellular
The tundra is cold year-round. it has short cool summers and long, severe winters. The tundra has a permanently frozen sublayer of soil called permafrost. Like the desert, the tundra receives little precipitation, about 4 to 10 inches per year, and what does fall is usually in the form of snow or ice. It has long days during the growing season, sometimes with 24 hours of daylight, and long nights during the winter. Which adaptations would you expect to see in plants growing in the tundra?
A) leaves with hair help shade the plant, reducing water loss.
B) small and grow in clumps for protection from the wind and cold
C) deep roots to help capture nutrients from deep below the surface
D) tall plants with broad, thin, waxy leaves leaves so water easily runs off