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FinnZ [79.3K]
3 years ago
7

Which animal is an ectotherm? eagle turtle whale kangaroo

Biology
2 answers:
Sedbober [7]3 years ago
3 0

Answer:

Turtles are ectotherms.

Elodia [21]3 years ago
3 0
The answer is an eagle:)
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Which of the following would you expect to contain cells with the same number of chromsomes as an egg cell in a plant? (Pick all
marissa [1.9K]

Answer:

The correct answer is option -  A. Gametophyte, C. spore, and D. sperm.

Explanation:

The egg cell of a plant is haploid in the cell which means it has only one set of chromosomes. The haploid cells arise from the meiosis cell division in parent sex cells. These parent cells are divided into four cells with half of the chromosome number in comparison to the parent cells.

The gametophyte, spore, and sperm all three are the product of the meiosis division and are haploid in number.

Thus, the correct answer is option - A, gametophyte, C. spore and D. sperm.

8 0
3 years ago
A ball is throwing up straight into the air what happens to the ball speed as it goes up and as it comes down?
pentagon [3]

Answer:

the speed of the ball remains the same.

Explanation:

due to newtons law of what goes up must come down applys to this question, and therefore the speed doesn't change.

7 0
2 years ago
Which best defines cohesion? Cohesion is caused by polar water molecules attracting each other. Cohesion is caused by polar wate
amm1812
The first one best describes cohesion. Cohesion is the action of forming together so Cohesion is caused by polar water molecules attracting each other.
7 0
3 years ago
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A force of a 19 newtons is applied on a cart of 2 kilograms and experiences of frictional force of 1.7 newtons. What is the acce
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Resultant force = mass × acceleration, therefore acceleration = resultant force ÷ mass
Resultant force = 19 - 1.7 = 17.3 N
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6 0
3 years ago
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how factors such as blood pressure blood volume blood viscosity resistance disease and exercice affect blood flow
schepotkina [342]

Blood is essential for many organisms, such as humans and animals, for its important function of transporting substances (food, oxygen), vitamins, waste (carbon dioxide), hormones, etc. to all tissues and cells of the body.

1) Blood volume

If the blood volume increases ==> the blood flow increases.

2) Viscosity of blood

If we have an increase in blood viscosity ==> we have a decrease in blood flow

3) Peripheral Resistance

If there is an increase in peripheral resistance ==> the blood flow decreases

4) Diameter of blood vessels

If we have an increase in diameter of

blood vessels ==> decreased peripheral resistance ==> increased blood flow

5) Blood pressure

If the blood pressure increases ==> the blood flow increases.

6) In case of diseases

In the case of atherosclerosis or acute coronary syndrome ==> blood flow decreases.

7) Physical excercises:

During physical exercises ==> the heart rate increases ==> the blood flow increases.

3 0
3 years ago
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