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Inessa [10]
3 years ago
15

What happens to your pupil in dim light and in bright light?

Biology
1 answer:
BlackZzzverrR [31]3 years ago
7 0
Your pupil expands in dim light and contracts in bright light.
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Organisms in an ecosystem are interdependent. Do you think humans have interdependent relationships with other organisms? Explai
faust18 [17]

Answer:Organisms rely on each other to sustain the ecological environment, something that humans have been lacking in. So, in general, organisms are interdependent because they have no choice. There are more particular instances (mutualism, symbiosis, etc.) where the connection is more local and direct.

Explanation:

:D

8 0
3 years ago
Biologists have separated monera into two kingdoms according to the differences between the two groups. in which classification
ASHA 777 [7]
Because scientist found another criteria for classifying organisms such as their DNA composition

Evidences that Taxonomy uses to group or categorizes species range from <span><span>
1.       </span>"Fossil Records</span> <span><span>
2.       </span>Comparative anatomy</span> <span><span>
3.       </span>Comparative embryology</span> 
4.       Biochemical information <span><span>
5.       </span>Cellular structure</span> <span><span>
6.       </span>Behavior</span>" 
<span>We also suggest that taxonomy has played various roles mainly in many aspects in Zoology, Botany, Anatomy and Physiology –aspects that include animal and human structures and functions. As the biotic community is so diverse it is classified to Biodiversity and the existence of properly assorting by set standard. </span>
7 0
3 years ago
A scientist observes that, when the pH of the environment surrounding an enzyme is changed, the rate the enzyme catalyzes a reac
vredina [299]

Answer:

A- A pH change can cause the enzyme to change its shape

Explanation:

A rise or fall in the pH of the medium from the optimum of pH 7 usually affect  the  enzymes' active sites  of  and therefore the  shape and  the  rate of enzyme activity.

Assuming  the pH is too low, the enzyme medium becomes acidic;Acidosis. The high Hydrogen ions concentration  interacts with the R-groups of the amino acids moiety of the enzymes, this interaction affects the ionization of the  R-groups, disrupting the ionic bonding holding these R-groups in shape.

This results in loss of the 3-Dimensional shape arrangements of the protein molecule  and therefore of the active sites. Since active sites of  enzymes  determines the specificity of the <u>enzymes substrate- complex </u> to give <u>enzyme-product complex,</u> the catalytic activity of the enzymes decreases, <u>the rate of  reaction decreases,and products formation stops, and the reaction also stops.</u>

The same is applicable to extremely high pH=Alkalosis.

However, the effective buffer system of the body prevents this scenarios from happening in real sense in the body. Through mopping by the  haemoglobin, excretion by the kidney, etc

7 0
3 years ago
Question 1 (2 points)
ch4aika [34]

Answer:genetic drift

Explanation:

3 0
3 years ago
What is it called when an amphibian releases a large amount of sperm and eggs into the A. water?
Ivenika [448]

Answer:

C. internal fertilization

Explanation:

The release of eggs and sperm into the water is known as spawning.

3 0
2 years ago
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