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monitta
3 years ago
15

_____ recognized the vital role of the internal environment and suggested that the objective of mechanisms within the body is to

preserve the constant conditions of the internal environment.
Biology
1 answer:
Anon25 [30]3 years ago
5 0
Claude Bernard is the answer
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Each of the following statements concerning hair is true except
Levart [38]

Answer: A. scalp hairs grow constantly throughout life.

Explanation:

Hair is a squamous keratinized epithelium which is consist of multi-layered flat cells.  Hair are made up of protein called "keratin".

The statement "scalp hairs grow constantly throughout life" is false because at a particular age or due to several factors scalp hairs stop growing.

Scalp hair growth rate depends on three main factors including sex (female hair grows faster than male), age (hair growth slows with age), and ethnicity (Asian hair grows slower than Caucasian hair).

Scalp hair growth stops because of  follicle devitalization when the hair length become two or three feet.

Hence, the correct answer is A. "scalp hairs grow constantly throughout life".

5 0
3 years ago
10. What is a situation where mtDNA might be used? (1 point)
Ilya [14]

Answer: On the teeth and bones of skeletonized human remains.

4 0
1 year ago
A series of events by which life comes back to an area is called
Citrus2011 [14]

Answer:

resettlement

Explanation:

the first things to resettle after some type of environmental disturbance, such as a volcanic eruption that destroys the environment, are fungus, lichen and spores.

5 0
3 years ago
Read 2 more answers
What is the name of the tallest tree in the world?
AnnZ [28]

Hi there!

This answer entirely depends on what you mean. The largest type(species), or the largest known? Well, either way, I have an answer for you.

The largest type is a Hyperion.

The largest KNOWN is The General Sherman Tree! And it's still growing. At the base, its circumference is 31 meters.

Have a nice day!

4 0
2 years ago
Organisms that live in the tundra have developed unique adaptations that aid in their survival. Ursus maritimus has a variety of
VLD [36.1K]

Answer: The organism that has the adaptations described that enable it to survive in the tundra is the POLAR BEAR.

Explanation:

ADAPTATION is defined as the process by which an organism becomes fitted to its environment thereby enabling the organism to live successfully and reproduce.

In any population, an organism is able to survive if it has features that help them to fit and compete successfully in that environment.

From the question, a typical example was given concerning the POLAR BEAR (Ursus maritimus) and it's best fitted environment which is the tundra.

The tundra is a type of biome that is treeless marshy vegetation which is composed mainly of dwarf shrubs. It's has a cold climate (Arctic region) with long icy winters and very short summer with an average temperature of 10°C.

Ursus maritimus has a variety of adaptations which enable it to survive in the tundra. These adaptations include:

--> The presence of a thick coat of insulated WHITE FUR: this helps it to survive the cold environment by acting as an effective insulator. The fur is also found at the base of its large paws with small bumps, which protects it against cold surfaces and provides its with a better grip of ice as it walks across it. It also gives it a concealing coloration making it unnoticed while it stalks its prey in the snow. These are the features that enables it survive the terrestrial environment if tundra.

--> it also has some aquatic adaptations which enables it to hunt it's favourite food which is seals. The presence of large front paws which are slightly webbed allows them swim for a long distance in search of food.

7 0
3 years ago
Read 2 more answers
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