Answer: Species interaction are preserved
Explanation:
The conservation of species are done in order to protection the endangered species. If they will be degrading at such a continuous rate then the population of such species will extinct.
The interaction between species is preserved during the whole procedure because they need to interact among each other in order to live a healthy life.
The process of conservation is aimed at maintaining a constant number of species in the ecosystem.
If analogous structures are often examples of convergent evolution,what types of structures would likely be examples of divergent evolution
Final answer:
Structures that would likely be examples of divergent evolution are homologous structures, which have a common evolutionary origin but may function differently in various related species.
Explanation:
If analogous structures are often examples of convergent evolution, the types of structures that would likely be examples of divergent evolution are homologous structures. While analogous structures are the result of convergent evolution, where different species develop similar traits independently due to similar environmental pressures, homologous structures have a common evolutionary origin but may have different functions in their present forms.
For instance, the forelimbs of humans, whales, and bats are considered homologous structures. They all share a common ancestral limb but have diverged over time to perform different functions aligned with the needs of the respective species—hands for manipulation in humans, flippers for swimming in whales, and wings for flying in bats. This divergence in structure and function among closely related species exemplifies divergent evolution.
When species interact, as fungi and algae do in lichen, so that the interaction of the two species increases the fitness of both species, this is called __________?
The presence of bright red blood in the stool is known as _____.
a. steatorrhea
b. melena
c. hematemesis
d. hematochezia
The answer is letter d. Hematochezia. Most rectal bleeding comes from the colon, rectum, or anus and can be connected with diarrhea. Hematochezia is the passage of fresh blood through the anus, usually in or with stools. Hematochezia is also known in medical term as rectal bleeding often associated with a stool and blood clots.
Water diffusion through a ____________ cell membrane is made easier by membrane proteins called aquaporins.
Water diffusion through a hydrophobic cell membrane is made easier by membrane proteins called aquaporins. The correct answer is hydrophobic.
Plasma - membrane separates the inner and outer environment of the cell. It provides protection to the cell. It has hydrophobic region tails.
Some cell's plasma - membrane contain the water channels known s aquaporins by which the water molecules easily cross the membrane than the phospholipid membrane.
Aquaporins functions in transporting the water molecules in and out of the cell without disturbing the passage of the other ions.
So, the correct answer answer is hydrophobic.
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Final answer:
Water diffusion through cell membranes is facilitated by proteins called aquaporins that increase the efficiency of water transport via osmosis. These proteins are essential for maintaining cellular water balance and have been linked to various genetic diseases. Aquaporins are an example of facilitated diffusion and can also help transport other small molecules.
Explanation:
Water diffusion through a semi-permeable cell membrane is made easier by membrane proteins called aquaporins. Aquaporins are specialized channel proteins that facilitate the rapid transport of water across the cell membrane, contributing to the process known as osmosis. While water can passively diffuse through a membrane, aquaporins increase the rate at which water moves in response to a concentration gradient. This is an example of facilitated diffusion, and aquaporins can also help the transport of other small molecules and ions in addition to water.
Aquaporins are essential for maintaining the water balance within cells and are so significant that their discovery led to a Nobel Prize in Chemistry for Peter Agre. Mutations in aquaporin genes have been linked to various genetic diseases, emphasizing their importance in biology. These proteins are also allosterically regulated allowing cells to adjust water permeability according to their specific needs
"owls eat rats, mice, shrews, and small birds. assume that, over a period of time, an owl consumes 5,000 j of animal material. the owl loses 2,300 j in feces and owl pellets and uses 2,500 j for cellular respiration. what is the production efficiency of this owl?"
Trevor examines some water from the open ocean and finds that it contains several single-celled and multi-celled organisms. What term should Trevor use to describe the organisms based on their method of locomotion?
Answer:
Pelagos
Explanation:
It is the correct answer on pluto
Molecules tend to move from an area of high concentration to an area of low concentration in a process known as
Some people think that putting plant roots underwater will allow the plant to absorb all of the water it needs. if you do this to most plants, however, it will kill them. why
What role did mycorrhizae play in the transition of plants to land?
Techno and electronica are performed at dancing events known as
Techno and electronica are performed at dancing events known as raves.
Explanation:Techno and electronica are performed at dancing events known as raves. Raves are high-energy gatherings where people gather to dance and enjoy electronic music. These events often feature DJs and live performances, creating an immersive and energetic atmosphere.
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A population of bacteria is treated with hand sanitizer. Because of genetic variation in the population, what is the possible outcome?
A. All of the bacteria are already resistant
B. They will get better at obtaining a food source
C. The population will grow quickly
D. Some of the bacteria may be resistant and survive.
Answer:
D. Some of the bacteria may be resistant and survive.
When a population of bacteria is exposed to hand sanitizer, due to genetic variation among the bacteria, a possible outcome is that some of the bacteria may be resistant and survive. Hence, the correct option is D.
This scenario highlights the principle of natural selection, where genetic variations that offer a survival advantage in a specific environment are more likely to be passed on to future generations. Given that resistance to sanitizers or antibiotics in bacteria is caused by specific genes already present in the gene pool of the bacteria, applying a sanitizer selectively kills those without resistance, thereby allowing only resistant individuals to survive and reproduce. This does not mean the bacteria become overall stronger or better at obtaining food sources, nor does it imply that the entire population will grow quickly. Instead, the population will evolve over time to have a higher proportion of individuals with the resistant gene, as it is the key trait that enables survival and reproduction in the presence of hand sanitizer.
Describe how mitochondria and atp are related to cellular respiration.
What is the specific function of the structure labeled f?basic motor reflex pathways.what is the specific function of the structure labeled f?basic motor reflex pathways.determination of muscle tension increasing tension of the surrounding muscle increasing tension of the antagonistic muscle determination of muscle length?
Motor reflex pathways, the structure labeled f, regulates reflex reactions to stimuli like physical contact, maintaining muscle length, and adjusting muscle tension according to these sensory inputs.
Explanation:The specific function of the structure labeled f, the basic motor reflex pathways, refers to the mechanism that allows for reflex actions to occur. This includes the motor neuron pathway linking the sensory fibers in the spinal cord to the muscle. When a stimulus prompts a reflex action, such as a muscle stretch, the motor neuron of the muscle communicates this stimuli, triggering a response. For instance, when your knee is struck with a rubber hammer during a physical exam, the stretch reflex activates a muscle spindle receptor, causing the direct contraction of your muscles. Essentially, these pathways help to maintain muscle length and regulate muscle tension.
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Why do microbiologists need to isolate bacterial colonies from a specimen? quzilet?
Specimens taken from a patient sample usually contain a mixture of different bacteria. But sample with only one type of bacteria, are necessary to study a bacterial species accurately. Therefore, it is necessary to isolate all of the possible disease causing organisms in order to study the sample by itself. Once isolation of individual colonies is done, then these colonies can be used for identification tests. A sample of the specimen is move very fast onto an agar plate in order to physically separate the bacterial colonies.
Which kingdom includes the organism that causes lyme disease monera protista?
The kingdom that includes the organism that causes Lyme disease would be monera.
What causes Lyme disease?Lyme disease is caused by bacteria in the Borrelia genus. The genus includes both burgdorferi and mayonii species.
Bacteria generally belong to the kingdom of organisms known as Monera. The kingdom is made up of unicellular organisms that are prokaryotic in nature. The cells of organisms in this kingdom lack nucleus as well as membrane-bound organelles.
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The spoon is too hot after sitting in the hot soup. is this an example of conduction, convection, or radiation? why?
The ______________ in the brain subconsciously provides timing and patterns of smooth movement of skeletal muscle and aids in maintaining posture and balance.
The Sun is
A.
the same size as all the other stars.
B.
the largest star in the universe.
C.
a very small star.
D.
a medium-sized star.
Answer:
The answer is d)a medium-sized star
Explanation:
The Sun is the star that is closest to Earth and although its size is 100 times larger than Earth, it is a medium-sized star when compared to other stars. Thanks to the Sun, life on Earth is possible. The Sun exerts a great force of gravitational attraction on all the planets, which causes them to revolve around it.
The eastern meadowlark and the western meadowlark are two closely related bird species. the two species avoid interbreeding because they have different mating songs. this is an example of -
The answer is behavioral isolation
A diet high in ________ is linked to high rates of colon and prostate cancer. fat and meat nitrosamines
Although estrogen is primarily produced by ovaries, it is also produced by the adrenal glands and in fat tissue. loss of the normal amount of fat lowers the level of estrogen so that the menstrual cycle and ovulation stops. female olympic athletes who train severely often shut off their cycles. what would be a reasonable evolutionary cause of this shutdown?
Final answer:
The shutdown of the menstrual cycle and ovulation in female athletes with low body fat and estrogen levels is an evolved adaptation to prevent pregnancy during times of physical stress or low energy reserves, as a way to conserve energy and ensure the mother has sufficient resources for a successful pregnancy.
Explanation:
The evolutionary cause of the shutdown of the menstrual cycle and ovulation in female Olympic athletes who train severely and experience a significant loss of body fat can be understood as a protective mechanism. The body requires a considerable amount of resources to maintain a pregnancy, and during periods of extreme physical stress or when energy reserves are low, it may not be advantageous for reproduction to occur.
If the body senses that it is not in an optimal state for supporting a pregnancy due to low levels of estrogen and fat tissue, it may shut down the reproductive cycle to conserve energy and prevent a pregnancy that could be risky for both the mother and potential offspring.
This response is likely an evolved adaptation to increase overall reproductive success by ensuring that pregnancy occurs only during times when the mother has sufficient resources to support both herself and the developing fetus.
What is the muscular organ that holds the developing embryo?
Homeostasis is the process of maintaining a stable internal environment in the body. what is the term that defines the targeted value to be maintained?
Why are humans important to the life cycle of malaria parasites?
Lichen is a symbiotic decomposer that attachers itself to trees and slowly breaks them down. they obtain nutrients from the tree, allowing them to survive and reproduce. what type of relationship is this?
The daily value for protein is ____ grams per day.
Which of the following reasons best explains why a scientist would want to study rock formations and living organisms in previously unexplored water habitats?
A.
to discover new aspects of the natural world
B.
to explain recently observed phenomena
C.
to test the predictions of current theories
D.
to test the conclusions of prior investigations
The correct answer is option (A) to discover new aspects of the natural world.
The study of rock formations and living organisms in previously unexplored water habitats helps a scientist to discover the newer aspects of the natural world. The unexplored water habitats are the best source to understand the newer aspects of the aquatic bodies like the new species of plants or animals, factors affecting the aquatic life and the different types interactions in the habitats. The study of rock also helps in the study of plants and animals, which were once a part of the habitat, now in the form of fossils.
Thus, the study of rock formations cannot explain the recently observed phenomena as they help in the study of fossils. The study of living organisms in previously unexplored water habitats cannot be applied to test the conclusions of prior investigations and test the predictions of current theories as they remained unexplored.
What could be an additional trial to determine the effect of salt on plant growth
which organ is involved in ingestion
Digestion starts in the "mouth" and continues in the stomach. The small intestine completes the digestion process.
Answer:
The mouth is the organ involved in ingestion in the digestive system.
Explanation:
Intake of food into the mouth and break down into small pieces there, is the process of the ingestion. In the ingestion process food is taken into the mouth and crushed and broken down into smaller pieces with the help of teeth. The presence of food triggers nervous reflexes to cause the salivary glands to release a fluid saliva. Saliva also softens and provides moisture to the food in the mouth to make it easier to swallow down to esophagus. It helps in digestion of starches to begin, present in food.
Is an intentional burn that removes fuel and oxygen from an advancing fire?