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Mice21 [21]
3 years ago
12

What organelle makes them autotrophs or heterotrophs

Biology
1 answer:
k0ka [10]3 years ago
8 0

Most autotrophs make their "food" through photosynthesis using the energy of the sun. Heterotrophs cannot make their own food, so they must eat or absorb it. Chemosynthesis is used to produce food using the chemical energy stored in inorganic molecules.

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Which part of the nervouds system consists of the brain and spinal cord:
Damm [24]

Answer:

c. CNS

Explanation:

The Central Nervous System (CNS) is responsible for receiving and transmitting information throughout the body. We can define it with the command center that coordinates the activities of the body.  It consists of the brain and spinal cord, which are protected by the skull and spine respectively.

Both structures are reinforced by three connective blades, called meninges. They are: dura mater, arachnoid and pia mater. Between the last two there is a fluid that is responsible for the nutrition of the CNS and the minimization of possible trauma caused by mechanical shocks.

7 0
3 years ago
Blood cells are _____ in shape because they lack a nucleus.
sesenic [268]


Red blood cells are disc shaped. It is thought one factor that allows them to have this shape is because they do not have a nucleus. This tends to increase amount of space inside the cell for hemoglobin.

They have a flexible disc shape which helps increase the surface- to- area volume ratio  which enables oxygen and carbon dioxide to diffuse across the red blood cell's plasma membrane more readily.

Their disc shape also enables them to squeeze through tiny capillaries that are half their size .


8 0
4 years ago
Read 2 more answers
Can someone please help !
34kurt
Plant (producer), grasshopper (herbivore) rodent (omnivore), python/snake (carnivore), eagle (carnivore) mushrooms (decomposer) These lines represent the “Animal food chain” and basically represents how one organism eats another organism while showing what they have to eat to survive which is all one ecosystem
6 0
2 years ago
Example of homeotosis
olga55 [171]
Humans internal body temperature is a great example of homeotosis.
3 0
4 years ago
Type of data display that uses rows and columns.
saveliy_v [14]

Answer:

Table

Explanation:

A table is a type of data display that uses rows and columns for analysis, clarity and simple presentation of data.

3 0
3 years ago
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