BIOLOGY HIGH SCHOOL

The body as a whole can be subdivided into two major divisions. They are A. anterior and posterior. B. ventral and dorsal. C. axial and appendicular. D. thoracic and abdominopelvic.

Answers

Answer 1
Answer: Anterior and Posterior!
Answer 2
Answer:

Answer:

C. axial and appendicular.

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Without ribosomes, a cell would not produce a.lipids. b.proteins. c.salt. d.water.
Can someone pls answer these multiple-choice questions, will mark as brainliest.
Ecology is one component of Environmental Science that studies organismal _______. a. chemistry b. anatomy c. interactions d. none of the above
True or false in a physical change, the substance doesn't change its identity
Which characterization accurately describes both conduction and convection

All animals are _______.a.

producers

b.

omnivores

c.

herbivores

d.

consumers

Answers

All animals are considered consumers because they eat producers, in the tropic level there are several layers that are primary, secondary, and tertiary consumers, hence option D is correct.

What are consumers?

Consumers are defined as an organism, they do not synthesize their own food and depends on the consumers, in the ecosystem plants are considered producers, that are eaten by animals (consumers).

Plants are producers, they are able to synthesize organic material with the help of photosynthesis and this provides energy to the other organism that consumes these plants.

In every topic level in the energy pyramid, each organism depends on another tropic level for energy needs, the consumer depends on their energy need to producers.

Therefore, it is suggested that all animals are consumers.

Learn more about consumers, here:

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Consumers. Obviously all animals are not b or c as there are animals that are both. Plants are producers as they produce energy, and animals consume the energy making them consumers. 

Hey can someone explain what happens in the "prophase" stage of cell division??

Answers

During mitosis, the chromatin in the nucleus of a cell condenses and becomes visible under a microscope. The membrane around the nucleus breaks down.

Why is it necessary to use the same restriction enzyme to cut 2 pieces of DNA that are to be joined together?

Answers

The reason why is necessary to use the same restriction enzyme is because
if we don't, the two pieces of DNA that we are trying to joint won't have matching ends and won't join properly.


To insert that gene we first cut him out from a DNA sequence(sequence 1), so To do that we use a restriction enzyme.

Meanwhile, we want to put that piece into another DNA sequence (sequence 2), so we also have to make a cut to be able to insert the gene and that will also be done with the same restriction enzyme.

This restriction enzyme needs to be the same one that cut the gene out of sequence 1. The enzyme recognizes specific sites in DNA, so when joined they will have ends that will match the gene's ends.
Each enzyme cuts a specific sequence with specific ends(that will attach to other DNA). If the two pieces of DNA are cut with different enzymes then their ends will not match up and they will not join properly.

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Answers

Increase in size was one affect, also the increase of oxygen also affected the temperature

In the reaction B + KL + H, if an additional B is added, the result will be _____.

Answers

The question is not clear

.P indicates the allele for purple flowers and p indicates the allele for white flowers. Which statement about the offspring is correct? P p P p A. 25% will be heterozygous, 25% will be homozygous dominant, 50% will be homozygous recessive B. 50% will be heterozygous, 0% will be homozygous dominant, 25% will be homozygous recessive C. 75% will be heterozygous, 25% will be homozygous dominant, 0% will be homozygous recessive D. 50% will be heterozygous, 25% will be homozygous dominant, 25% will be homozygous recessive

Answers

The answer is D because:

by using a punnett square we get the following values:

PP - Homozygous Dominant (two uppercase letters)
Pp - Heterozygous Recessive (one lower case)
Pp - Heterozygous Recessive (one lower case also)
pp - Homozygous Recessive (two lowercase letters)

Answer:

D. 50% will be heterozygous, 25% will be homozygous dominant, 25% will be homozygous recessive

Explanation:

The purpose of a Punnett square is to illustrate the possible allele combinations that can be inherited by the offspring of two parents
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