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vladimir2022 [97]
3 years ago
14

A ___________ helps an organism respond to its environment.

Biology
2 answers:
BabaBlast [244]3 years ago
5 0

Answer:

Behavior

Explanation:

Behavior means its basically adapting to the environment and responding in a certain acting or (behavior). Hope this helps :)

iren [92.7K]3 years ago
4 0

Answer:

A-behavior

Explanation:

If you are responding to something, you are behaving depending on what it is that is triggering you to respond to that current situation. Think of it this way, you've lost your phone, you are reacting to it with panic (behavior), or you made the last goal and are exited (also behavior). What ever you or the organism is reacting to depends on how you react to it, whether it an oh no, or a I GOT IT, your behavior adds to how you react.

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Prior to the arrival of a signal from a presynaptic input, the post-synaptic membrane is polar with a greater relative _________
fredd [130]

Answer;

-Positive charge

Prior to the arrival of a signal from a presynaptic input, the post-synaptic membrane is polar with a greater relative positive charge to the ECF

Explanation;

-Neurons talk to each other across synapses. In somatic neurons, an action potential arrives at the synapse causing synaptic vesicles to fuse with the presynaptic membrane. The pre-synaptic membrane releases acetyl choline via exocytosis into the extracellular of the synaptic cleft.

-The ACh diffuses across the cleft and binds to the ligand-regulated sodium channels. Activated sodium channels allow a rapid diffusion down its electrochemical gradient towards the ICF. The movement of positive charges to the ICT causes the relative charge across the membrane to become positive on the inner surface.


4 0
3 years ago
A scientist finds fossae on a bone sample. what can the scientist conclude?
STatiana [176]
Fossae are holes or depressions in the bones that are usually found on the end of the long bones. Fossae are good indications that a bone was connected or articulated with another bone. Therefore, if a scientist has found a fossa on a bone he or she could conclude that the bone was joined with another bone in the skeleton at the place of the found fossa. 
6 0
3 years ago
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Which of the following statements is INCORRECT?
klemol [59]

Answer:

<em>I</em><em> </em><em>t</em><em>h</em><em>i</em><em>n</em><em>k</em><em> </em><em>i</em><em>t</em><em>s</em><em> </em><em>A</em><em>.</em>

Explanation:

hope it works out !!

8 0
2 years ago
Short pea plants exist in the P1 and F2 generations. What happens to the phenotype in the F1 generation?
OLga [1]
The correct answer to this question is <span>The allele for short pea plants is masked during the F1 generation, but it is still present in the genotype.</span>
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Some homeostatic imbalances cause a variable that is normally controlled by negative feedback to be abnormally controlled by pos
tigry1 [53]

Answer:

True

Explanation:

Some deviations from normal homeostasis activate the positive feedback loops to control the conditions which are otherwise regulated by negative feedback mechanisms.

For example, the blood levels of respiratory gases and H+ ions are regulated by a negative feedback system via chemoreceptors. The increased partial pressure of carbon dioxide gas and lowered pH or lowered partial pressure of oxygen in the blood are sense by central and peripheral chemoreceptors which in turn activate the neurons of the dorsal respiratory group (DRG).

The activated DRG triggers an increased in the rate and depth of the breathing to facilitate the inhalation of more oxygen and exhalation of CO2 to restore the normal levels.  

However, hypocapnia inactivates the chemoreceptors and does not allow negative feedback to restore the normal CO2 levels in the blood.  

Under such conditions, the positive feedback loop stimulates the DRG neurons more strongly in response to the increased partial pressure of CO2 above the normal levels than when the partial pressure of oxygen falls below the normal level. These dangerously lowered oxygen levels may also cause fainting.  

5 0
3 years ago
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