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Snowcat [4.5K]
3 years ago
8

Which of the following best describes all pioneer species?

Biology
1 answer:
romanna [79]3 years ago
6 0

Answer:species that colonize new surfaces

Explanation: pioneer species are species that first colonize an environment It could be a barren land or a distrupt land that has been abandoned for a long time. some of the environment or soil are usually poor and plants found around such areas have long root and hard to adapt to the environment. Pioneer plant forms the basis of diversity and the initial stage of sucession. Example includes Algae,mosses

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Which term describes body structures in different organisms that have different outward appearances but develop from the same em
Nataly [62]

Answer:

The correct answer would be B) homologous.

Homologous organs refer to the set of organs which have different appearance and function but share common anatomy due to common ancestry.

For example, the forearm of human, forelimb of the horse, wing of a bat, wings of birds, and seal's flipper share common underlying anatomy.  They are made up of same sets of bones (humerus, radius, ulna, carpels, metacarpals, and phalanges).

These organs are adapted to perform different functions in an environment.

It is also observed that these organs developed in the same manner in the embryo and from similar origins.

8 0
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Evidence for coordinated stasis is found in ____.
KonstantinChe [14]

The correct answer is option (A) the fossil record.

Coordinated stasis refers to the stasis or the no evolutionary changes in the organisms for millions of years, which is followed by extinction and formation of the new species.

Fossil records have the evidence of ecological and evolutionary stability in the species over a long period of geological time scale separated by intervals of abrupt change. The best example of this being the animals of the Middle Devonian Hamilton group. Thus, fossil record is the only source of record showing this long period of stasis and separated by periods of abrupt changes in the species due to environmental pressures.

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3 years ago
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Which flowchart correctly lists the structures in order from smallest to largest?
natta225 [31]

Answer: Im pretty sure the answer is C.) DNA -> gene -> chromosome -> nucleus

Explanation:

4 0
3 years ago
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The Moon and stars seem to move from _____________________________ to __________________________________ across the night sky
seraphim [82]

Answer:

east to west

Explanation:

The stars and moon are the celestial bodies which are located at distant.

The distance of stars vary but moon and sun remain same. As our Earth rotates at its own axis, other celestial bdies seem to move.

As Earth spins from west to east, the stars and moon seems to move from east to west direction at night and same with Sun, it also seem to move from east to west.

Hence, the correct option is east to west.

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Transgenic animals are lines of animals produced by inserting copies of a specific gene or genes into a fertilized egg or early
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Answer:

True

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Transgenic animals are lines of animals produced by inserting copies of a specific gene or genes into a fertilized egg or early embryo.

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