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REY [17]
3 years ago
5

©

Biology
2 answers:
Alinara [238K]3 years ago
6 0

Answer:

Natural selection, the keystone of evolution, can switch direction in a matter of months, a novel experiment on lizards reveals.

Mariana [72]3 years ago
4 0

Answer:

The long-legged adaptation helps the trunk-ground anoles not only catch prey on the ground but also avoid predators that live in their habitats. However, when placed in the habitat of the twig anoles, where twig anoles can move easily with their short legs, the trunk-ground anoles are clumsy

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Examples of monosaccharides disaccharides and polysaccharides.
RUDIKE [14]

Answer:

Glucose, galactose, and fructose are common monosaccharides, whereas common disaccharides include lactose, maltose, and sucrose. Starch and glycogen, examples of polysaccharides, are the storage forms of glucose in plants and animals, respectively. The long polysaccharide chains may be branched or unbranched.

Explanation:

3 0
2 years ago
Chloride ions, Cl-, follow actively transported Na+ ions from the nephrons into the blood. Would you not expect the Cl- concentr
DerKrebs [107]

Answer:

Bicarbonate ion, HCO3- (which has a similar charge to chloride ions) also follow sodium ions into the blood. Also, potassium ions, K+ are transported into the nephron so some chloride ions and bicarbonate ions remains in the nephron to balance the charge.

Explanation:

Sodium is the primary positively charged electrolyte in extracellular fluid. Most of the solute reabsorbed in the proximal tubule is in the form of sodium bicarbonate and sodium chloride. Water is also reabsorbed in order to balance osmotic pressure

When sodium ions are reabsorbed into the blood, few of the substances that are transported with Na+ on the membrane facing the lumen of the tubules include Cl- ions, Ca2+ ions, amino acids, and glucose. Sodium is actively exchanged for K+ using ATP on the basal membrane.

In the distal convoluted tubule, K+ and H+ ions are selectively secreted into the filtrate, while Na+, Cl-, and HCO3- ions are reabsorbed to maintain pH and electrolyte balance in the blood.

Some chloride ions remains in the nephron to balance the charge of the secreted K+ ions and also due to the bicarbonate ions that are removed.

5 0
3 years ago
1. DEFINE THE TERM ECONOMY​
castortr0y [4]
An economy – householdand is an area of the production, distribution and trade, as well as consumption of goods and services by different agents. Mark as brainliest
7 0
2 years ago
When people cut themselves, they have clotting factors in their blood that will be released continuously in a cascade until thei
mixas84 [53]

The mechanism of <u>coagulation </u>involves the activation, adhesion, and aggregation of platelets to cause blood clotting.

7 0
3 years ago
scientist are studying a group of ant colonies in the arizona desert which question can be answered scientifically
timurjin [86]

Answer:

Scientists are studying a group of ant colonies in the Arizona desert. Which question about the ants can be answered scientifically?

Explanation:

The correct answer will be option- Does the amount of sunlight in a day affect how much food the ants eat that day.

Explanation:

A scientific method is a systematic approach to understand and explain any natural phenomenon in nature. The scientific method involves making, ask a scientific question, do background research and propose a hypothesis which could be tested to produce a real answer to the scientific questions.

In the given question, the scientist wants to study the ants in the desert through scientific method. The possible question that could be answered will be the how the amount of light can affect the quantity of food consumed by ants as the amount of food can be studied through the experiments by proposing a hypothesis.

Thus, the selected option is the correct answer.

7 0
3 years ago
Read 2 more answers
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