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MatroZZZ [7]
3 years ago
15

Svetlana loves plants and animals. She wants to study how they live in their environments. Svetlana will most likely become a(n)

_____.
A) geologist
B)ecologist
C)chemist
D)zoologist
Biology
2 answers:
Greeley [361]3 years ago
5 0
The answer to this is B, ecologist.
kramer3 years ago
3 0

Answer: Ecologist

Explanation:

If someone wants to study the growth of plants or animals, their behavior and interaction of plants and animals with the environment then he should study ecology.

Ecologist study the interrelationship between organism and its environment.

Example: The behavior of plants and animals in the ecosystem comes under ecology. The way by which the animals react in a given environment, interaction of animals with another animals also comes under ecology.

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Do simple organisms consist simple molecules?
maks197457 [2]

Answer:

no............. they don't on molecules .....

5 0
3 years ago
Pain signals often have two components: an acute sensation of "first pain" which is felt almost immediately after an injury, and
o-na [289]

Answer:

This suggests that neurons that send the signals that we perceive as first pain Myelinated Tpye A-delta___, and neurons that send the signals that we perceive as second pain Unmyelinated-Type C.___.

Explanation:

Physiologically, primary afferent neurons that innervated the the touch, pain, temperature,and pressure receptors in the effectors  to input sensory signals to the spinal cord and the brain  are categorized based on their diameter, sizes, and nature of  myelination. Based on this;

<u>A-alpha has the largest diameter, myelinated, and sensitive to sensation from the muscle cells</u>

<u>A-beta are next in diameter, myelinated and sensitive to sensation  of touch.</u>

A-delta followed in diameter, and  size. They are mylinated, and sensitive to pain and temperature.

<u>C-fibres are least in diameter, they are unmyelinated, but sensitive to pain, touch and temperature.</u>

<u />

<u>Therefore, if the speed of conduction,of action  potential in a neuron depends on the diameter(thickness) and myelination of the axon(saltatory conduction)</u> :

''then, acute sensation/ first pain should be transmitted by the A-delta fibre. While the the slower/second pain should be transmitted by the slower unmyelinated - C-fibres''.

5 0
3 years ago
Fossil fuels are usuallyFossil fuels are usually formed from:
antoniya [11.8K]

Answer: b. Remains of formerly living things buried by sediments in regions with little oxygen.

Explanation:

Fossil fuels are underground geological fuel deposits which are formed from the decaying of organic materials (animals and plants) over hundreds of millions of years in the earth's crust, which furthur processed into coal, crude oil, heavy oils or natural gas by exposure to pressure and heat

Fossil fules are present only in sedimentary rocks under litte oxygen the provide temperatures and pressures that do not kill fossil remains, unlike most igneousand metamorphic rocks.

Hence, the correct option is b.

8 0
3 years ago
What is the role of renin in the secretion of aldosterone?
Gelneren [198K]

Answer:

Explanation:

Aldosterone is a hormone which is produced by the adrenal glands which are present above the kidneys. The role of aldosterone is to regulate the blood pressure. It causes the reabsorption of water and salts into the bloodstream during the kidney filteration process. Hence, maintains the blood volume, restors blood pressure and salt level.

Renin is an enzyme. It facilitates chemical reactions which stimulates the synthesis of angiotension II, it directs the synthesis of aldosterone.

3 0
3 years ago
This is any material that is burned for heat or power.
zhuklara [117]
What do u need help with there’s nothing there
4 0
3 years ago
Read 2 more answers
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