1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MrRissso [65]
3 years ago
15

21. The ____________ of animals is based on scientists’ current understanding of the evolutionary history of living species. (1

point)
Biology
2 answers:
Alex777 [14]3 years ago
8 0

Answer:

The given blank can be filled with cladogram.

Explanation:

A cladogram refers to a diagram utilized by the researchers to demonstrate a phylogeny, which is considered as a hypothetical association between the groups of animals. It demonstrates groups of organisms, that is, how they are interrelated and associated with their common ancestors.  

Thus, the cladogram of animals is dependent upon scientists’ present understanding of the evolutionary history of living species.  

shutvik [7]3 years ago
6 0
The homology of animals is based on scientists current understanding on the evolutionary history of living species.
You might be interested in
A student runs 5 km each afternoon at a slow, leisurely pace. One day, she runs 2km as fast as she can. Afterward, she is winded
Ad libitum [116K]
<h2>Cellular respiration </h2>

Explanation:

  • Cellular respiration is defined as a ATP generating process in which organic molecule is oxidized and inorganic molecule is final electron acceptor
  • Pain experienced in leg muscles is the result of formation of lactic acid in muscle cells
  • Under low oxygen, NADH cannot be reoxidized to NAD+ but NAD+ is required as an electron acceptor to continue glycolysis
  • In lactic acid fermentation pyruvate is the final electron acceptor and converted in lactate
  • Reaction catalyzed by lactate dehydrogenase
  • The pain in her chest is caused from the lack of oxygen she received while running so her chest starts to heavily breathe so that the lungs can receive as much oxygen possible

3 0
3 years ago
what is the difference in the amount of genetic information found in a gamete compared to other cells in the body?
natita [175]

Explanation:

Body cells make up the body of any multicellular organism. A body cell contains a complete number of chromosomes and is called a diploid cell while a gamete contains only half the number of chromosomes of its parent cell, and it is called a haploid cell.

Hope it's R8

5 0
3 years ago
What did the Clean Air Act of 1970 permit U.S. citizens to do for the first time?
vaieri [72.5K]
I think B is the answer The Clean Air Act That prevented air pollution and protected the ozone layer as well as promote public health. This act gave Enviromen. Protection Agency the power to take effective action fighting environmental air pollution
8 0
3 years ago
Acrostic for the word energy
Naddik [55]
E is for Ethical, an upright person
N is for Noble, self-sacrificing
E is for Excellent, of the finest character
R is for Remarkable, so exceptional
G is for Genteel, elegantly mannered
Y is for Youth, eternally young at heart
7 0
3 years ago
Read 2 more answers
Water is prevented from entering the active site of glycogen phosphorylase.
FrozenT [24]

Answer:

a. to prevent the unnecessary breakdown of glycogen

b. to prevent the formation of glucose

e. to prevent hydrolytic cleavage of glucose 1‑phosphate

Explanation:

the main reason is to prevent hydrolysis. because the entry of water could lead to the formation of glucose rather than glucose 1-phosphate.

3 0
3 years ago
Other questions:
  • Which statement about the organisms whose fossils are found in the rock is correct?
    10·1 answer
  • How does evolution and adaptation usually happen by means of small changes?
    8·1 answer
  • The tissue below is an example _______ connective tissue; ________ type.
    8·1 answer
  • 1. In an ecosystem, there are many factors that affect how many organisms can survive there. Which of the following is one of th
    9·1 answer
  • The pectoral girdle consists of the:
    15·1 answer
  • 15
    5·1 answer
  • What property best describe this attraction
    14·1 answer
  • Which of the following conclusions can be drawn from this graph?
    11·1 answer
  • Genetic and environmental factors affect which traits are passed on from parent to offspring over generations and how they are p
    11·1 answer
  • How does evaporative cooling work biology.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!