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gayaneshka [121]
3 years ago
6

What example best illustrates a condition for natural selection to occur

Biology
1 answer:
grandymaker [24]3 years ago
3 0

Following are the best conditions or examples for the natural selection to occur:

• More organisms are born than can survive.

• Organisms vary in their characteristics, even within a species.  

• Differences in reproduction and survival are due to variation among organisms.

Hope so, this answer will help you.

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Which best describes the brain? the brain can be sectioned into six lobes. the brain can be divided into two hemispheres. the br
kow [346]

The brain can be described to be divided into two hemispheres, the left and right hemispheres.

Corpus callosum is a bundle of flat neural fibers under the cortex in the eutherian brain lying at longitudinal fissure. The function of corpus callosum is inter hemispheric communication and connects the left and right cerebral hemisphere.

The brain majorly consists of for lobes which are frontal lobe, temporal lobe, parietal lobe and occipital lobe.

5 0
3 years ago
Read 2 more answers
Explain the digestion process of a complex carbohydrate by arranging the statements in the order that they occur.
andreyandreev [35.5K]

Answer: The question is incomplete because the options are not given, here are the options from another websites.

A.The enzyme, amylase. which is present in saliva breaks potysaccharide chains into disaccharides.

B. Other enzymes in the small intestine further break the potysaccharide into monosaccharides.

C. You take a bite and to chew the complex carbohydrate into smaller pieces.

D.Amylase is deactivated by the low pH in the stomach.

E.. Monosaccharides are absorbed through the intestinal wad.

The correct order are,

C. You take a bite and to chew the complex carbohydrate into smaller pieces.

A.The enzyme, amylase. which is present in saliva breaks potysaccharide chains into disaccharides.

D.Amylase is deactivated by the low pH in the stomach.

B. Other enzymes in the small intestine further break the potysaccharide into monosaccharides

.E. Monosaccharides are absorbed through the intestinal wad

Explanation:

Carbohydrates are complex or large molecules are they are found in rice, bread e.t.c

Digestion of carbohydrates start from the mouth through a process called mastication i.e chewing of the carbohydrates. The salivary gland then secrete the salivary amylase which act on the chewed carbohydrates. The salivary amylase breaks down amylose and amylopectin present in starches into smaller chains of glucose which is called dextrins and maltose. When it get to the stomach, the amylase cannot further break it because it does not work in acidic conditions. The substance form chyme in the upper stomach and pancreatic enzymes act on it to break it down into simple sugar glucose. The pancreatic enzymes include sucrase, maltase and lactase.

Sucrase breakdown sucrose into glucose and fructose, maltase breakdown maltose in two molecules of glucose and lactase breakdown lactose into galactose and glucose. The simple sugar are then absorbed into the blood through the intestinal wall.

7 0
3 years ago
someone please help with this question!!!! Describe how an indicator can be used to determine if starch diffuses through the mem
nlexa [21]

Add starch indicator solution to the water in the beaker. If the indicator solution changes color than starch is present.

3 0
3 years ago
Even in an adult, some cells continue to divide. Why is cell division useful even in an adult who is no longer growing?
Yakvenalex [24]
In most adults, cell division is involved in tissue renewal rather than growth

6 0
3 years ago
A man is heterozygous with a cleft chin (a dominant trait that obeys Mendel's first law) marries a normal-chinned woman and they
Archy [21]

Answer:

50%

Explanation:

If the male has a cleft chin, that means that his chromosomes is Aa. His wife must be aa.

             Female      Female

Male      Aa             Aa

Male      aa             aa

With Aa, the child will have a cleft chin. With aa, the child will not. So the probability is 50%.

8 0
3 years ago
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