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Ulleksa [173]
3 years ago
15

Which statement(s) are true about mutations? (select all that apply)

Biology
2 answers:
makkiz [27]3 years ago
8 0
C. they are always heritable. b. they are inly heritable in gametes
Kazeer [188]3 years ago
8 0

Answer:

a, c, d,

Explanation:

they are more than genetic, and with that said, also cancels out b

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Question 9 (2 points)
Olin [163]

Answer:

all of these affect enzyme activity

4 0
3 years ago
Which of the following is true about cells?
shtirl [24]

Answer:

D

Explanation:

Hope this helps

7 0
2 years ago
Explain why toxic compounds usually have the greatest effect on top-level carnivores
gladu [14]
This is because toxins are ingested by organisms and accumulate in the fatty tissues. Theses toxins then become more concentrated in successive trophic levels of a food web biological magnification. Magnification occurs because the biomass at any given trophic level is produced from a much larger biomass ingested from the level below and therefore, top-level carnivores tend to be the organisms most severely affected by toxic compounds. 
8 0
3 years ago
Put the items in the correct order. Below is a sequence of events. Place them in the order they should occur, number 1 being the
nikklg [1K]

<u>ANSWER:</u>

The correct order is-  Zygote, Blastula, Gastrula, Fetus.

<u>EXPLANATION:</u>

  • The embryo develops from the zygote which is formed when the gametes fuse in the process of "fertilization".
  • The zygote undergoes cell division to form blastula which is a "ball of cells".
  • Gastrula leads to the rearrangement of cells of the blastula into three layers that differentiate into different systems of organ.
  • The last stage is the fetus which then develops into a baby.
7 0
3 years ago
Conifer trees dominate boreal forests rather than tundra because of
Masja [62]

Coniferous trees dominate Boreal forests rather than tundra because of the lack of permanently frozen soil.

a lack of permanently frozen soil.

<u>Explanation:</u>

Boreal forests are characterized by a cold but not so cold weather. This means that it is too cold for the growth of deciduous trees. When it comes to the growth of tundra, the weather isn’t cold enough for the growth of tundra.

Tundra requires permafrost which is a permanently frozen layer of ground . The Boreal forests lack permafrost and thus isn’t suitable for the growth of tundra vegetation.

7 0
3 years ago
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