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Stolb23 [73]
3 years ago
15

Which is an example of a vestigial structure?

Biology
1 answer:
Karolina [17]3 years ago
7 0
I think it’s a forelimb of a whale
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About 225 million years ago, North America and South American were part of one huge landmass, Pangaea.
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This is not even a question. Is it a true or false question if so tell us.
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Environmental science please help
goldfiish [28.3K]

Answer:

1. ecology: e)the study of the relationship among organisms and the relationship between organisms and their environment.

2. Aristotle: g)an ecologist who developed classification system fro plants and animals.

3. environment: i) physical and biological surroundings of an organism.

4. cell: j) the basic unit of life.

5. Schleiden and Schwann: l) proved that cells are formed from the division of cells that already exist.

6.

7: ecosystem: i) physical and biological surrounding of an organism.

8: organism: k) any unicellular or multicellular organism.

9: biomes: c) land proportions of the ecosystem. e.g desert and tundra.

10: species: f) group or population of organisms that interbreed.

11: biosphere: h) the variety of species in different habitats on earth.

12: population: d) group of the same species living together in a certain location or region.

13: mutation:

14: Charles Darwin: b) proposed theory of natural selection.

15: species diversity: a) adaptability through random changes in the DNA.

8 0
3 years ago
Which of following refers to the process that facilitates plant communities gradually changing over a period of time in order to
Reil [10]

Answer:

The correct option is B

<u> Succession</u> refers to the process that facilitates plant communities gradually changing over a period of time in order to respond to their environment.

Explanation:

Succession can be described as changes that occur in an ecosystem in response to the changes in the environment or any other disturbances.

Succession can be of two types. 1. Primary succession 2.Secondary succession

Primary succession occurs on lands where there was no life before. With time, plants start to grow here and a community is developed.

Secondary succession occurs on lands that have been destroyed due to any disturbances like a flood or a fire. Over time, new plants start to grow on this land and a community is developed.    

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Refer to the cladogram shown above. The
Vlad [161]

Answer:

i'm like 100% positive its answer  A

Explanation:

7 0
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Why does all of the food produced by crops NOT make it to people?
bogdanovich [222]

Answer:

By the numbers, humans produce a lot of food—enough to provide every person on Earth 2,750 calories per day, exceeding almost all dietary recommendations.

There’s one glaring problem, however: Humans aren’t producing enough of the right food.

When researchers at the University of Guelph in Canada broke those calories down into different food groups, they found a shortage in production of the most important foods. In the long run, with the global population expected to balloon to about 10 billion people by mid-century, this could cause some serious problems.

Explanation:

6 0
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