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3 years ago

Which trend in hominid evolution can be supported by fossil evidence?

1 answer:

5 0

Walking upright.

You can make a case for all of them, but for three of them indirectly.

But the answer, I think, is walking upright.

You can look at the pelvic bones and femur orientation in the hips. You can also look at the way the skull sits on the vertebra.

Chimpanzees have a skull that sits more downward, because they walk on all fours most of the time. While humans have skulls that sit more horizontally on the vertebra, which allows us to see out on the horizon more easily. We can do that because we stand on two feet.

I hope that helps.

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Which of the following is a food chain in the food web shown in the figure above?

wel

The food chain that is shown in the food web could be any of the following:

tree → deer → mountain lion
grass → rabbit → mountain lion
grass → rabbit → hawk
grass → grasshopper → frog → snake → fox
grass → grasshopper → snake → hawk

grass → grasshopper → snake → fox → mountain lion
tree → caterpillar → robin → fox → mountain lion

<h3 /><h3>FURTHER EXPLANATION</h3>

A food chain shows a unidirectional feeding relationship among organisms in an ecosystem. The organisms occupy a certain "place" in the food chain called trophic level. Food chains may have several trophic levels which always begin with the producers.

Producers are organisms which make their own food. Plants are examples of producers.
The organisms the directly feed on the plants are called the primary consumers. They are either herbivores or omnivores.
The organisms that feed on the primary consumers directly are called secondary consumers. Those that feed on the secondary consumers are called tertiary consumers and quaternary consumers feed on tertiary consumers. These are either omnivores or carnivores.
The apex predator is the animal at the top of the food chain. It is preys on the organisms in the lower trophic levels but nothing preys on it.

A food web, on the other hand, is a series of food chains showing the interdependence of organisms in an ecosystem.

<h3>LEARN MORE</h3>

herbivores, omnivores, carnivores brainly.com/question/31005
energy pyramids brainly.com/question/1143130

Keywords: food chain, food web

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3 years ago

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xeze [42]

Answer:

seashell-used to be ocean

Palm branch-used to be tropical island

Cactus-unchanged

Insect in sap-used to be forest

Shark tooth- used to be underwater

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3 years ago

How the (HIV) is transfer from infected female to a healthy man???

Charra [1.4K]

Answer:

Most commonly, people get or transmit HIV through sexual behaviors and needle or syringe use. Only certain body fluids—blood, semen , pre-seminal fluid, rectal fluids, vaginal fluids, and breast milk—from a person who has HIV can transmit HIV.

Explanation:

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3 years ago

What could be a cause of melanoma?

Alik [6]

<span>Causes Of Melanoma. Ultraviolet rays Most skin cancers are caused by too much exposure to the sun's ultraviolet (UV) rays. The two types of UV rays that cause melanoma are UV-A and UV-B rays.</span>

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3 years ago

Is a biosphere is smaller than anecosystem.

brilliants [131]

Answer:

Yes!

Explanation:

From largest to smallest: biosphere, biome, ecosystem, community, population, and organism. Hope I helped :)

It'd Be Lovely to get Brainliest .

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3 years ago

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