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fredd [130]
3 years ago
11

What are food chains, food webs, and ecological pyramid models?

Biology
1 answer:
dsp733 years ago
3 0
Food chains are for example something that another thing eats and it goes down to many different selections and starts off big and vies to small things
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Select all the types of transport that DO NOT require energy *
Artist 52 [7]

Answer:

Passive Transport , Diffusion, Osmosis

Explanation:

Active Transport requires energy. Endocytosis, exocytosis and facilitated diffusion are types of Active Transport.

Passive Transport does not require energy. Diffusion and osmosis are types of Passive Transport.

7 0
3 years ago
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How is coal, petroleum, and natural gas formed underground?
zvonat [6]

Answer:

Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria. Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions. Today, petroleum is found in vast underground reservoirs where ancient seas were located.

<em><u>H</u></em><em><u>o</u></em><em><u>p</u></em><em><u>e</u></em><em><u> </u></em><em><u>t</u></em><em><u>h</u></em><em><u>a</u></em><em><u>t</u></em><em><u> </u></em><em><u>h</u></em><em><u>e</u></em><em><u>l</u></em><em><u>p</u></em><em><u>s</u></em><em><u>:</u></em><em><u>)</u></em>

7 0
2 years ago
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What type of symmetry does an organism have if it has five identical parts extending from a central hub? A. bi-radial symmetry B
lapo4ka [179]
Pretty sure it <span>C) penta-radial symmetry.</span>
4 0
3 years ago
What are the lines of evidence that Alfred Wegener used to support the idea of continental drift? Why did scientists of his day
Zanzabum

Answer:

Wegener presented a number of evidence to prove his plate tectonic theory, such as :

  • The matching of rocks on each side of the Atlantic Ocean like a puzzle.
  • His knowledge hat organisms such as freshwater reptiles were found in almost all continents
  • He also identified organisms that live in different continents, and could not possibly cross over to the other continents due to water bodies (oceans) separating the continents.

Wegener's plate tectonic theory caused doubts to other scientists, because of the way he presented his evidence. Other scientists considered his mechanisms unrealistic

Explanation:

3 0
3 years ago
Questions
skad [1K]

Answer:

cell

tissue

organ

system

human organism

Explanation:

unicellular organisms only have one cell since two or more cells form a tissue their level of organization is restricted to cell

cell

two or more cells form a tissue

two or more tissue forms an organ

two or more organs form a system which must work in coordination for efficiency

two or more systems make up a human organism

3 0
3 years ago
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