If 4,000 units of energy are available in the producer level ,about how much would be available to the tertiary consumers?
Which statement describes the phospholipid bilayer that makes up a cell membrane?
Answer:
Phospholipids arrange in two layers. Fatty acid chains from each layer are "sandwiched" in the middle away from water in and out of the cell.
Explanation:
Using the figure, match the following
The muscle fiber (cell) is indicated by
Label A
Label B
Label C
Label D
Answer:
Hope it helps
Explanation:
The label A represents mitochondria.
The mitochondria are also called the powerhouse of the cell which converts glucose to energy-rich molecules of ATP.
Label B represents the nucleus.
The nucleus contains the genetic material or DNA, RNA, nucleolus, chromatin fibers, and proteins. It contains the chromosomes which control the hereditary characteristics.
Label C represents the lysosome.
Lysosomes contain digestive juices which break down large cell parts and large molecules and help in intracellular digestion.
Label D represents rough endoplasmic reticulum having ribosomes.
The rough endoplasmic reticulum provides a surface for protein synthesis. It is also used to transport cellular contents from one cell to another.
What are the four classes of nutrients?
Answer:
carbohydrates
lipids
proteins
water
5) It is said that the hottest layer of the earth
is the core (outer core and the inner core)
and that is where metal is found. Why
can't metal melt in the core?
Answer:
please give me brainlist and follow
Explanation:
The churning metal of the outer core creates and sustains Earth's magnetic field. The hottest part of the core is actually the Bullen discontinuity, where temperatures reach 6,000° Celsius (10,800° Fahrenheit)—as hot as the surface of the sun. The inner core is a hot, dense ball of (mostly) iron.
Explain how one body system not functioning properly can affect another body
system.
Answer with explanation:
If a body system does not work properly then the other body systems will also fail because every system is needed for a person to live properly. For example if the respiratory system does not work properly then the other systems will be harmed as oxygen will not be able to move to other parts of the body. As a result, the kidneys will fail and the heart will stop working and the person will die.
One body system that is not functioning properly can affect another body system because, in an organism, coordination is maintained by the different organ systems. If one system is affected, then others will be too.
How is the body's system functioning?In a multicellular organism, the organism is regulated by the coordination of the different organ systems, such as the circulatory system, digestive system, etc. In the human body, many systems are present, and each system is made up of many organs. In the nervous system, the nerves, brain, and spinal cord are involved, in the circulatory system, the blood, blood vessels, heart, and lungs are involved, and the lungs are involved in the respiratory system too. Because a single organ is involved in multiple organ systems, if one system is affected, the others will be affected as well.
Hence, one body system that is not functioning properly can affect another body system because, in an organism, coordination is maintained by the different organ systems.
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Under certain conditions, it is possible to get more work out of a machine than you put into it.
Please select the best answer from the choices provided
T
F
Answer:
f :)
Explanation:
I’ll give points + brainalist (:
Bird species from temperate regions must cope with relatively short breeding seasons. A study examined the relationship between blood testosterone level (ng/ml) and the duration of the egg-laying period (months) in temperate bird species. The scatterplot below displays this relationship, after taking the logarithm of each variable. A plausible value for the correlation between the logarithm of egg-laying duration and the logarithm of testosterone level is
Answer:
The answer is "-0.4".
Explanation:
In that situation, the value of the possible correlations between the egg-laying logarithm as well as the testosterone level logarithm is equal to 4 It value is equal to the percentage 4=-0.4.
Which observations support the student's claim that the
log represents a microhabitat?
Answer: Observation 1,2,3
In diagrams a full moon is represent with a
A. A white circle
B. A completely shaded circle
Answer:
A
Explanation:
cause you can see the entire moon at night(if there are no clouds present)
Which of the following is NOT TRUE about blood pressure?
A. It measures how much the blood is pressing against the vessels as it is pumped through
the system
B. It is affected by both genetic and environmental factors.
C. Hypotension indicates good health
D. hypertension indicates that your blood needs more pressure to be moved through the
veins
Answer:
c.Hypotension indicates good health
Which part is circled?
alcohol group
fatty acid
carboxyl group
unsaturated lipid
DAnswer:
Explanation:
Help pls ;<; /A city lies near a forest. The city leaders decide the forest should be protected. There is a stream running through the forest, too. Which action would preservationists and conservationists agree on? A. Some fish can be caught in the stream. B. Fighting forest fires should be allowed. C. The forest and stream should be protected. D. Hunting shouldn’t be allowed in the forest. E. People should be allowed to camp in the forest.
Answer: fighting forest fires should be allowed
Explanation:
Answer: C: The forest and stream should be protected.
Explanation:
How does overpopulation harm a species?
Why is it important that gametes be haploid?
I GOT YOU SO EASY
Answer:because when the sperm and the egg fuse together the cell will have 46 chromosomes.
Answer:
It is important that chromosomes are haploids because when the sperm and the egg fuse together the cell will have 46 chromosomes. polar bodies are haploid cells produced during meiosis which are smaller in size compared to the gamete and will disintegrate
Explanation:
Hope this helped Mark BRAINLIEST!!!
human disruption of the carbon cycle has been implicated in..?
Answer:
D. Climate change
Explanation:
The carbon cycle is disrupted by several activities of man which includes burning if fossil fuels anong others. These leads to accumulation of huge amounts of carbon dioxide in the atmosphere which leads to global warming. The resultant effects of global warming is what one of the major cause of climate change.
Therefore, human disruption of the carbon cycle can be said to have been implicated in climate change.
Describe how brine pools function
Explanation:
Brine pools are sometimes called sea floor "lakes" because the dense brine does not easily mix with overlying seawater. The high salinity raises the density of the brine, which creates a distinct surface and shoreline for the pool. When submarines dive into brine pools, they float on the brine surface due to the high density
_______ are thought to have been present before vertebrates.
Answer:
invertebrates i guess
Explanation:
hope it helped!!!
1.) Chordates
2.) phylogeny
3.) most recent common ancestor
4.) derived
5.) homologous
6.) analogous
7.) opposable
8.) prehensile tails
9.) Lucy
10.) neanderthalensis
11.) Using comparative anatomy, scientists identify similarities and differences in the anatomy of different species. Scientists would search for homologous structures, analogous structures, and vestigial structures to provide clues as they construct a cladogram.
PF
HELP PLEASE
What behavior allows newborn animals to recognize and follow the first moving object they see?
Question 4 options:
conditioning
courting
mimicking
imprinting
When all of the populations live together in the same area, what is it called?
A. A community
B. A niche
C. An environment
D. An eco system
Answer:
When all of the populations live together in the same area, it is called:
A community
Why? Because a community occurs when multiple people are together, and the prefix com means "together".
By the way, I put in D on Edge, and it was wrong.When all type of the populaton lived together in the similar area so we called them as the community.
What is community?The population means the group of individual that are interbreeded with respect to the same species that should be isolated from the other group
while on the other hand, the community means the group or two or more various species that have the similar kind of geographical area.
Therefore, the option A is correct.
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What do we call the area of Earth,
from the top of the highest mountain
to the bottom of the ocean, in which
all life exists?
A. atmosphere
B. life bubble
C. biosphere
give proof and show work and ill give brainliest
Answer:
An outbreak of a disease that infects squirrels in the park.
Explanation:
All the other answer choices would increase the population of squirrels. For the first option, more trees = more habitats = more squirrels to live in. For the second option, less hawks = less predators = more squirrels that will survive. For the third option, heavy rain = more acorns = more food for more squirrels.
Only the last option would limit the growth of a population of squirrels since diseases kill organisms in a population.
Im having trouble with this
The initial velocity of an enzyme catalyzed reaction is determined by:_________.
a. graphically determining 1/2 Vmax.
b. calculating the amount of product formed over time while the amount of product is increasing in a linear manner.
c. calculating the amount of product formed over time from the beginning to the end of the reaction.
d. graphing the absorbances of known concentrations
Answer:
calculating the amount of product formed over time while the amount of product is increasing in a linear manner. ( B )
Explanation:
The initial velocity of an enzyme catalyzed reaction is determined by Calculating the amount of product formed over time while the amount of product is increasing in a linear manner
Initial Velocity of an enzyme is the described in relation to the amount of product produced per unit time at the beginning of a reaction.
The initial velocity of an enzyme reaction is determined by calculating the amount of product over time while it is increasing in a linear manner (Option B).
What is an enzyme?An enzyme is a protein that may act as a biological catalyst for a particular chemical reaction.
Enzymes work by speeding up the velocity of a given chemical reaction.The initial velocity of an enzyme can be calculated by determining the amount of product of the chemical reaction.In conclusion, the initial velocity of an enzyme reaction is determined by calculating the amount of product over time while it is increasing in a linear manner (Option B).
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Give an example of physical evidence used to organize Earth’s history on the geologic time scale.
Answer:
The Earth is 4.6 billion years old. Some examples of events listed on the geologic time scale include the first appearance of plant life on Earth, the first appearance of animals on Earth, the formation of Earth's mountains, and the extinction of the dinosaurs.
Explanation:
please mark this answer as brainliest
Explain in detail the types of heterotrophic nutrition in plants. Give two examples of each type.
Answer:
HOPE IT HELPS..
MARK AS BRAINKLISTT
Heterotrophic nutrition can be one of three types , holozoic, saprophytic or parasitic. Holozoic nutrition can be seen in most vertebrates and some unicellular organisms like the amoeba. Saprophytic nutrition is where the organisms feed on dead and decaying matter. Examples include bacteria and fungi.
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What must always be present in order to form a true scientific explanation?
Both species of garter snakes prey on the California newt, Taricha torosa, a small amphibian that produces a potent neurotoxin (TTX) in its skin. However, neither species of garter snake is affected by TTX. The resistance to TTX is associated with mutations in the SCN4A gene. Which of the following best supports a claim that
a. TTX resistance arose independently in T.
b. atratus and T.
c. sirtalis
Complete question:
Both species of garter snakes prey on the California newt. Taricha torso, small amphibian that produces a potent neurotoxin (TTX) in its skin. However, neither species of garter snake is affected by TTX. The resistance to TTX is associated with mutations in the SCN4A gene. which of the following best supports a claim that TTX resistance arose independently in T. atratus and T. sirtalis?
A. The stomach contents in fossils of both species include the remains of food items that contains TTX.
B. Both species of snakes possess the SCN4A gene.
C. The two species of snakes have different genetic mutations in the SCN4A gene.
D. T. atratus and T. sirtalis are sister species that share many of the same morphological features.
Answer:
C. The two species of snakes have different genetic mutations in the SCN4A gene.
Explanation:
These are two different species that feed on the same amphibian species and that developed resistance to TTX. Resistance to the toxic is associated with mutations in the SCN4A gene. So probably both species by separated developed different mutations in the gene that led them to be resistant to the toxin.
Supporting the fact that natural selection is not random, both species might have become resistant to TTX through different mutations in the same gene. Both species are feeding on the California newt that produces neurotoxin in the skin. Animals that feed on this amphibian need to be resistant to the toxin to avoid death and keep preying. TTX might be acting as a modeling pressure that led snakes to develop resistance to the toxin, favoring the same phenotype but independently.
A. The stomach contents in fossils of both species include the remains of food items that contain TTX. → Food items with TTX in the stomachs do not mean that species were resistant to the toxin. And if they were, it does not mean that species developed the resistance independently or not.
B. Both species of snakes possess the SCN4A gene. → The fact that both species have the gene does not mean that they have mutations in the gene
C. The two species of snakes have different genetic mutations in the SCN4A gene. → That both species have different mutations in the same gene means that they evolved independently from each other. They suffered different mutations in the same gene that led them to express the same resistance phenotype.
D. T. atratus and T. sirtalis are sister species that share many of the same morphological features. → Morphological features do not necessarily reflect molecular features. The fact that they are similar sister species does not say anything about the SCN4A gene.
The condition that best supports this experiment is the two species of snakes have different genetic mutations in the gene described above.
What do you mean by Mutations?Mutations may be defined as sudden, stable, and inheritable changes in the genetic material of an organism.
Both species of snake have different mutations in the same gene means that they evolved independently from each other. They undergo different mutations in the same gene that led them to express the same resistance phenotype.
Therefore, the condition that best supports this experiment is the two species of snakes have different genetic mutations in the gene described above.
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