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konstantin123 [22]
3 years ago
10

Suppose the producers in a certain ecosystem are dying out because there is a lack of nutrients in the water and soil. What is t

he probable cause of the problem?
Biology
1 answer:
Alexus [3.1K]3 years ago
3 0

Answer:

D. Decomposers are not recycling nutrients for use.

Explanation:

A. There are too many carnivores in the ecosystem.

B. The herbivore population is decreasing.

C. The consumers are absorbing all of the available nutrients.

D. Decomposers are not recycling nutrients for use.

Decomposers in an ecosystem function by decomposing dead organic matters and recycling their nutrients back into the ecosystem This nutrients then become available for other group of organisms (like the producers) to pick up an utilized for their functions.

<em>Option A and B have no significant implication on the amount of nutrient in the ecosystem. Option C is also wrong because consumers only take their nutrient by feeding on producers or other consumers.</em>

The correct option is D.

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5. The permease (transporter) allows glucose and Na into the cell requires ATP. True or False?
dem82 [27]

Answer: 5. False 6. False

Explanation: The permeases are membrane transport proteins, they're secondary active transporter that allow the movement of a specific molecule in or out of the cell in the direction of a concentration gradient, it is a form of facilitated diffusion and does not require energy. The permease secondary transporter uses the Na ion concentration to move glucose into the cell.

When the ion concentration gradient is set, the concentration of glucose in the cell is higher than the concentration of blood. Glucose will move to the blood by passive diffusion through permease secondary transporter.

The transport mechanism is carrier mediated it does not require energy.

7 0
3 years ago
PLS HELP ASAP If an animal cell wasn't in an isotonic solution, wouldn't active transport be able to balance the cell's volume?
ohaa [14]

Answer:

Animal cells tend to do best in an isotonic environment, plant cells tend to do best in

a hypotonic environment. This is demonstrated in the attached PDF.

Explanation:

A cell that does not have a rigid cell wall, such as a red blood cell, will swell and lyse (burst)  when placed in a hypotonic solution, a process called cytolysis. Cells with a cell wall will swell when placed in a hypotonic solution, but once the cell is turgid (firm), the tough cell wall prevents any more water from entering the cell. When placed in a hypertonic solution, a cell without a cell wall will lose water to the environment, shrivel, and probably die. In a hypertonic solution, a cell with a cell wall will lose water too. The plasma membrane pulls away from the cell wall as it shrivels, a process called plasmolysis.

I hope this helps. If not I am really sorry!

Download pdf
7 0
3 years ago
What type of cell is a rose thorn
barxatty [35]

rose thorns are multicellular

i hope this helps! :)

3 0
3 years ago
Read 2 more answers
based on the data for the groups of cells cultured with 0.1 serum (groups 3 to 7), identify which of the four proteins tested do
SCORPION-xisa [38]

Answer:

p18, p21 and p27

Explanation:

Four proteins have been obstructed in this investigation and the concentration of DNA synthesis was evaluated in various cell cultures and seeing which proteins could play a significant role in the cell cycle.

4 0
3 years ago
Directions: Answer the questions below.
noname [10]

Answer:

Sediments from a river bed are carried downstream, creating a deep, narrow channel.

Explanation:

the water played role in forming the channels. Broken English sorry!

3 0
3 years ago
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