BIOLOGY HIGH SCHOOL

explain how the bonding properties of carbon atoms result in the large variety of carbon-based molecules in living things

Answers

Answer 1
Answer: Carbon atoms have 4 valence electrons. That allows them to make 4 covalent bonds. That means they can make really big molecules. All the organic molecules have Carbon in them.

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Male was admitted to the intensive care unit with a diagnosis of acute myocardial infarction. he is being treated for shock. his cardiopulmonary symptoms include low blood pressure, tachycardia, and tachypnea. his skin is pale and cool. what is the primary cause of his shock

Answers

Decreased cardiac contractibility

Spawning is when aa. large group of adults release their gametes into the water at the same time.
b. male and female fish release their gametes together.
c. male fertilizes the females eggs.
d. a group of eggs develops into larvae.

Answers

The answer is (b.) male and female fish release their gametes together.

Which of these statements is true for mating of wild animals in a natural setting?Wild animals have no preference for mates in a natural setting but show it in captivity.
Wild animals never have any preference for mates.
Wild animals always show preference for mates.

Answers

The right answer for the question that is being asked and shown above is that: "Wild animals have no preference for mates in a natural setting but show it in captivity." The statement that is true for mating of wild animals in a natural setting is that wild animals have no preference for mates in a natural setting but show it in captivity.

Answer: the person above my is right

Explanation:

A researcher wants to test how diets A and B affect the weight loss of rabbits. She has 20 rabbits to use, but all of the rabbits are different sizes, which might affect how much weight they lose. The researcher decides to group the four smallest rabbits in one group, the next four smallest rabbits in another group, etc., until the final group has the four largest rabbits. Then, from each group she randomly selects two rabbits to have diet A, and the remaining rabbits in the groups have diet B.Select all that apply:
A. This is an example of a block design.
B. This is an example of a completely randomized experiment
C. This is an example of a matched pairs experiment.
D. The treatments are diets A and B.
E. The treatment is how much weight a rabbit loses.
F. The experimental units are the 20 rabbits.
G. The experimental units are diets A and B

Answers

Answer:

A. This is an example of a block design.

D. The treatments are diets A and B.

F. The experimental units are the 20 rabbits.

Explanation:

The randomized block designs are used in experiment when there is only one variable of prime importance but along with it there are several nuisance factors. As in this case, the prime variable is the impact on weight of rabbits when they consume one the given diets. However, several nuisance factors are unequal weights of the rabbit, different class of rabbits, eating habits of rabbit, time of feeding etc.  

Treatment in an experiment is the independent variable that is varied to measure its impact on the subjects of the experiment.  

Here these independent variables are diet type A and B and the subject is the group of 20 rabbits. Subjects are also referred as experimental unit i.e on which the experiment is being conducted

Hence, option A, D and F are correct

Warm-up routines increase body temperature. What other effect do they have on the body?They increase blood flow.
They decrease blood flow.
They increase hydration levels.
They decrease hydration levels.

Answers

Warm up routines increase the blood flow in the body and also increases the temperature. It is always recommended that a person warms up their body before a work out.
increase blood flow .A

What are the 4 types of consumers?

Answers

carnivores,herbivore,omnivore,and decomposers
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