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noname [10]
2 years ago
12

How have humans affected the Chesapeake Bay ecosystem food web?

Biology
1 answer:
LiRa [457]2 years ago
6 0

Answer:

Algal blooms caused by pollution and the lack of oysters in the Bay has led to the decline of ocean floor algae, plants, and like sea grass and an overgrowth of bacteria. Jellyfish that were once rare are now common.

Explanation:

Hope thats helpful.

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A research study looked at variations in snail populations in urban areas compared to natural ecosystems outside of the urban de
GaryK [48]

Answer:

D

Explanation:

I just got it right

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3 years ago
What did you learn about the channel on Mars from the new NASA data? After you look at the new evidence card about Mars, describ
pentagon [3]

Explanation:

The new research carried out by NASA on mars suggets that many of the Mars' ancient channel have been carved by flowing water, were actually formed by melt water beneath glacial ice sheets. The rocks looked familiar to the rocks found on Earth in these water channels. Moreover,  conglomerate rock was found near the base of the channel on Mars.

6 0
2 years ago
Unlike toads, tortoises
Evgesh-ka [11]
A, have amniotic eggs :)
6 0
3 years ago
An alpha helix or a beta-pleated sheet are examples of what level of protein structure?
weqwewe [10]

Answer:

Secondary level of protein structure

Explanation:

The proteins are formed of the monomer units called amino acids which bond with each other via peptide bond and form a linear peptide structure called the primary level structure of the protein.

The proteins to perform several functions in a cell undergoes structural conformation and attain the helical form called alpha helix due to the involvement of alpha carbon in bond formation and a pleated sheet called beta-pleated sheet due to the involvement of beta carbon. These structures are known as a secondary level of protein structure.

Thus, a Secondary level of protein structure is the correct answer.

4 0
3 years ago
Read 2 more answers
A crystal is always...<br> A. a hexagon<br> B. a cube<br> C. a liquid<br> D. none of these
NARA [144]
D because its a solid
3 0
3 years ago
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