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blagie [28]
3 years ago
5

Which group of fish do scientists believe amphibians evolved from?

Biology
1 answer:
Alex73 [517]3 years ago
4 0

Answer:Amphibians evolved during the middle of the Devonian period (416 to 359 million years ago) from the lobe-finned fish of the vertebrate class Sarcopterygii. Species within the genus Ichthyostega (members of the Labyrinthodontia subclass) are considered by some scientists to be the earliest amphibians.

Explanation:

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Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.
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3 years ago
Why can a wolf be considered both a secondary consumer and a tertiary consumer
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Answer:

A wolf can be considered as both a secondary and primary consumer because they feed on both primary and primary and secondary consumers. As a secondary consumer, wolves can feed on plant eaters [primary consumers] such as elk which is an herbivore. As a tertiary consumer, wolf feed on secondary consumers such as deer.

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7 0
3 years ago
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Serga [27]
The answer is D, a desert biome, 
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• How does precipitation affect the topology of the earth?
prohojiy [21]

Answer: Global Climate Change. comes from precipitation. Too little precipitation can result in dry soil, shallow streams, and shortages of municipal water supplies. However, too much precipitation can also have a negative impact on human activities, business and industry, agriculture, and the environment. As moist air is forced up the windward slope it expands and cools, eventually causing water droplets to condense when the air is saturated. These droplets form clouds and grow to produce rain or snow that typically falls out on the windward side of the range. ... As air approaches the topography, it slows down.

Explanation:

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