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tangare [24]
3 years ago
6

What is a ecosystem?​

Biology
2 answers:
romanna [79]3 years ago
3 0

Its is something that girl is my dream pet two

Explanation:

Nuetrik [128]3 years ago
3 0

Answer: A biological community of interacting organisms and their physical environment. Hope this helps! :) brainliest?

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Are crayfish arthropods?
Bezzdna [24]

Answer:No

Explanation:

Because they are closely related to the lobster

4 0
3 years ago
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A piece of potato was placed in a beaker of water. what best describes the movement of the molecules across a semipermeable memb
ohaa [14]
The answer is osmosis
7 0
3 years ago
As the acidity of a solution increases, the pH will
Anettt [7]

Answer:

decreases

Explanation:

when the acidity in a solution increases the ph will decrease. when the acidity in a solution decreases the ph increases

4 0
3 years ago
Human blood groups are governed by three alleles, IA, IB, and i. IA and IB are codominant and i is recessive to both. A man who
Ira Lisetskai [31]

Answer:

They could have all four type phenotype that are A, B, AB, and O

Explanation:

If the man has A blood group and the woman has B blood group then the genotype of man can be IAIA or IAi and the genotype of woman can be IBIB or IBi.

               IA      i

       IB   IAIB   IBi

       i     IAi       ii

So if the genotype of the parents are IAi and IBi then out of four offspring one could have AB blood group, second could have B blood group, third could have A blood group and fourth could have O blood group as shown in the cross above.  

7 0
3 years ago
Last Friday after dealing with the stressors of daily life, Jane was likely to ________________________ in her blood stream.
sineoko [7]

Last Friday after dealing with the stressors of daily life, Jane was likely to have <u>increased level of cortisol</u> in her blood stream.

Explanation:

Daily life activities, responsibilities, duties, events all leads to a lot of stress among individuals. This stress affects our body, thoughts, mind, feelings and behavior.  

Cortisol is a stress hormone secreted by the adrenal glands by the triggering of adenocorticotropic hormone of the pituitary gland.

Stressors due to daily life activities and other health problems leads to cortisol awakening response and increases the level of cortisol in the blood stream in order to cope up with the increased stress.

Increased cortisol levels causes a number of health issues like anxiety, depression, headache, digestive issues, cardiac problems, sleep disturbance, cognitive impairment etc

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3 years ago
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