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lyudmila [28]
3 years ago
9

In all ecosystems what happens when the keystrokes species is removed?

Biology
1 answer:
kkurt [141]3 years ago
4 0
<span>removal of a keystone species makes the rest of the system more unstable, but the best way to understand how this works is to visualize it, either by drawing a model, or using a diagram. 
</span>
 Atlantic Cod is a keystone species.  if the cod were removed, the seal population would decline because of a prey shortage, which would increase the populations of all the other fish species that the seals consume. Those increased fish populations would then overexploit their available prey, causing the population of prey to decline, resulting in a decline in predatory fish, resulting in an increased decline in the seal population, etc.
 
In addition, each increase or decrease in any species will affect every other species it interacts with, creating one hell of an unpredictable mess, which often leads to ecosystem collapse and/or extinction.

This phenomenon is known as trophic cascade. 
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A nurse is providing education about excellent food sources of vitamin a for a client who is deficient in this vitamin. which fo
finlep [7]
Hello!

The nurse should include carrots and leafy greens in the teaching, as both are excellent sources of vatamin A.

I hope you found this useful! :)
8 0
3 years ago
The key to the changes in protein conformation that drive ATP synthesis is: a. Rotation of the shaft protein driven by the proto
Diano4ka-milaya [45]

Answer:

a. Rotation of the shaft protein driven by the proton gradient

Explanation:

The F1 portion of ATP synthase is hydrophilic and responsible for hydrolyzing ATP. The F1 unit protrudes into the mitochondrial matrix space. ... γ subunit allows β to go through conformational changes (i.e., closed, half open, and open states) that allow for ATP to be bound and released once synthesized.

The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP. Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyze conversion of ADP to ATP.

3 0
3 years ago
How does the geo and cryosphere interact
Marianna [84]
The Cryosphere is consisted of earths frozen water. The Geosphere and the Cryosphere interact by ice-wedging, and weathering rocks. 

Hope this helps:)
4 0
4 years ago
Why are streak plates used the test minerals?
Scorpion4ik [409]

Answer:

Explanation: Streak plate is used to test minerals because the residue that is left on the streak plate after rubbing a mineral can be used to identify the types of minerals color. However, streak plate is small porcelain that cannot be coated with any type of glaze.

3 0
2 years ago
Read 2 more answers
What is a cell doing during the g1 and g2 periods
klemol [59]

Answer:

G1-preparation for DNA replication

G2-preparation for mitosis

Explanation:

Cell cycle is a process that can be divided into two major phases: interphase and mitotic phase (division). Interphase is than subdivided into G1, S and G2 phases while mitotic phases consists of prophase, metaphase, anaphase and telophase.

Phases in interphase:

  • G1 or Gap 1 is characterized by cell growth (cell becomes much larger), synthesis of molecules and organelles copying.
  • S phase is characterized by DNA replication
  • G2 phase or Gap 2 phase is phase in which cell makes more proteins and organelles and prepares for mitosis
7 0
4 years ago
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