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Goshia [24]
3 years ago
12

Vertebrates are a subphylum to the _____.

Biology
1 answer:
weqwewe [10]3 years ago
7 0
Its chordata phylum

beacuse with currently about 64000 species described as chordata phylum
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What evidence suggests that RNA appeared before DNA? ribozymes, catalytic RNA, play pivotal roles in modern cells ribosomes are
mote1985 [20]

Answer:

<em>The evidence that suggests  RNA  appeared before DNA is the fact that RNA can act as an enzyme to self-edit their own genetic code. </em>Moreover, it has the ability to store genetic information, while transfer and ribosomal RNA have the ability to translate genetic information into proteins.

Explanation:

RNA has a great capability as a genetic molecule, it once had to carry on hereditary process on its own. It is absolutely sure that RNA was the first molecule of heredity. However, a single stranded RNA is rather unstable and easily damaged by enzymes. By essentially multiplying the existing RNA molecule, and using deoxyribose sugar instead of ribose.

<em>The DNA evolved as a much more stable form to pass genetic information with accuracy.  It shows a biological evolutionary purpose .</em>

<em />

7 0
3 years ago
Read 2 more answers
which sentience explain what happens in the first step of the process shown Quiz: cell nutrition and transport
lianna [129]

The statement which describes what happens in the first step of the process shown in the image quiz above is:

Absorption of light energy by chlorophyll to make carbohydrates.

The correct answer choice is option b.

The complete image quiz is attached.

<h3>How light energy is absorbed in the first stage of photosynthetic nutrition.</h3>

From the image above, it is very clear that there is a capturing of light energy by the green pigment chlorophyll within the chloroplast, this results in production of energy ( glucose ). This process happens in the light reaction stage or light dependent stage of photosynthesis.

However, there are two major types of autotrophic nutrition, these are as follows:

  1. Photosynthetic nutrition
  2. Chemosynthetic nutrition

So therefore, from the explanation above, we can now confirm that the exact thing which happens in the image above explains to us that light energy is absolutely by the plant to make food.

Complete question:

Which sentence explain what happens in the first step of the process shown Quiz: cell nutrition and transport?

a. It involves the synthesis of glucose from carbon dioxide to make carbohydrates

b. Absorption of light energy by chlorophyll

c. A reaction occurred at the stroma which sorrounds the thylakoid membranes of the chloroplast.

d. None of the above.

Read more on nutrition:

brainly.com/question/2044102

#SPJ1

4 0
1 year ago
Witch example is not a basic need of all organisms?
Cloud [144]
It’s D . because , we’re living in we don’t need soil not everything needs soil to live .
4 0
3 years ago
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Summarize the impact of societal changes that took place in Britain during the eighteenth century.
maxonik [38]

Answer: D - People enjoyed more comfortable lifestyles and increased leisure time.


The mid 1800's was the beginning of the Industrial and agricultural revolution. The invention of seed drill by Jethro Full substituted the conventional seed planting technique. In this age, the industrial revolution, led to the growth of number of industries. This brought about both social and economic changes in the society. Thus thid resulted in people enjoying more comfortable lifestyles and increased leisure time.

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3 years ago
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What do the larvae of echinoderms indicate about the evolution of echinoderms?
beks73 [17]
Echinoderm larvae are bilaterally symmetrical which indicates that echinoderms probably evolved from bilaterally symmetrical ancestors
6 0
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