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kaheart [24]
3 years ago
12

An electron micrograph reveals the detailed structures of a cell. It is surrounded by a double membrane and is filled with membr

ane-bound compartments inside. This cell must be a(n)...
A) eukaryote
B) protista
C) prokaryote
D) euglena
Biology
1 answer:
tiny-mole [99]3 years ago
4 0

A

hope this helps!!!!!!

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Q3.13. In our simulation of herbivores feeding in a farm pasture, we treated each species as if it were foraging all by itself.
lilavasa [31]

Answer:

<em>The grasshopper competes with the sheep for food, thereby reducing the available quantity and quality of food for the sheep.</em>

Explanation:

In an ecosystem, many organisms rely on the same food source. The success of a particular species in extracting the food source better than another species that needs that same food source can affect the success of  population of this other species of animal. If the number of grasshopper in this pasture becomes too much, it might lead to the consumption of a large portion of the pasture by the grasshopper, leading to a reduction in the available food for the sheep. If this happens, the population of the sheep might decline in order to balance the increase in the population of the grasshopper.

5 0
3 years ago
An example of a membrane is the __________________ that covers a _____________.
Svetllana [295]
Hi! 

An example of a membrane would be Pericardium. This membrane in particular will cover the heart.

What is the Pericardium?
This membrane is a thin, double layered membrane which protects the heart from injuries as well as external blows.In between the membranes, there is a fluid known as pericardial fluid that is present. The function of this is to also protect the heart. 

Hope I could help!
-Peaculiar 
8 0
3 years ago
Besides producing sugar for itself, a plant also needs to absorb nitrogen to build proteins, salts to make concentration gradien
tino4ka555 [31]

Besides producing sugar for itself a plant also needs to absorb nitrogen to build proteins, salts to make concentration gradients and potassium to make enzymes.

<u>Explanation:</u>

Plant sugar is glucose and plants produce it by the process of photosynthesis making use of energy from sunlight, carbon dioxide absorbed from the atmosphere and the presence of chlorophyll in its parts. Plants also require components other than this. Nitrogen is essential to make proteins and it cannot be directly absorbed from the atmosphere but has to be absorbed from the soil.

Potassium is an essential component which is absorbed from the soil. It facilitates the activation of enzymes which play a crucial role in plant metabolism.  When plants lack potassium they won’t have enough energy for proper growth and will have poorly formed roots and weak stems.

3 0
3 years ago
The flat area surrounding the mouth of the Mississippi River is covered with rich sediments important to farming in this area. T
leonid [27]

The answer is A, delta.

I know this because i had this on USATestPrep and got it correct :D

6 0
3 years ago
5)
nika2105 [10]

Answer:

Sea water

Explanation:

Because sea water has many impurities

8 0
3 years ago
Read 2 more answers
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