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Aleksandr-060686 [28]
3 years ago
10

I need help with this last question

Biology
1 answer:
Papessa [141]3 years ago
5 0

The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine.  hope this helps

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Conduction is the transfer of heat between substances with different temperatures. Heat moves from the warmer to the cooler subs
EastWind [94]

Answer:

True.

Explanation:

Conduction is a heat transfer method. The heat passes by direct contact between two objects. The heat will go from the object with the higher temperature to the one with the lowest one. We call this temperature gradient. If we analyze the molecular aspect of conduction, we can see that the molecules with higher temperatures have more energy so, they move more. These molecules will collide with the molecules of the other object transferring their energy. As a result, heat passes from the hottest object to the cooler one till the two substances are at the same temperature, there is thermal equilibrium.

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3 years ago
Can I get a list of all eras and one thing that lived during that era?
ch4aika [34]
Cenozoic Era: Deinotherium

Mesozoic Era: Ichthyosaur

Paleozoic Era: Trilobites

Precambrian Era: Ediacarans
5 0
3 years ago
How many genes for a trait does the offspring have?
Oduvanchick [21]

Answer:

A trait is a characteristic, such as color or size, that is inherited by an offspring from its parents. The genes that control a trait come in pairs, one gene from each parent.

Explanation:

8 0
3 years ago
The Milky Way is a _____ galaxy.
Aloiza [94]
The milky way is a spiral galaxy. 
6 0
3 years ago
Which of the following is true about natural selection? ​
Anna007 [38]

The options for this question are:

- Requires genetic variation

- Results in descent with modification

- Involves differential reproductive success

- All of the above

Answer:

<u><em>The correct option is d) All of the above</em></u>

Explanation:

The theory of natural selection explains that genetic variations occur in organisms of a species. Those organisms which are better adapted to live in an environment are able to survive and pass on their characteristics to their offsprings, hence descent with modification. Through this phenomenon, evolution takes place with the passage of time. Natural selection favours survival of the fittest. Hence, all of the above statements are true.

3 0
3 years ago
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