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4vir4ik [10]
3 years ago
15

Help please and thank you

Biology
2 answers:
Reil [10]3 years ago
7 0

Answer:

A crossing over introduces variety by producing different combinations of alleles

monitta3 years ago
5 0

Answer:

The First one is correct!! ♥️

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Select the correct answer from each drop-down menu. Complete the paragraph based on this food web: Polar bears feed on seals. So
n200080 [17]

Answer:

Polar Bears feed on seals. So, polar bears and seals share a prey predator relationship.  If one species cannot then adapt an appropriate defense, they may go extinct. In this way, the predator prey relationship often forms and "evolutionary arms race", in which eats species rapidly evolves to counter the other.

Explanation:

Complete the paragraph based on this food web: Polar bears feed on seals. So, polar bears and seals share a _prey predator_.Climate change has caused ice caps to melt in colder regions where polar bears live. This change has caused them to hunt less. This situation will lead to_?extinction?_ 1 prey-predator relationship mutual relationship parasitic relationship. 2 less biomass in the quaternary level increased biomass in the quaternary level less biomass in the primary level.

If one species cannot then adapt an appropriate defense, they may go extinct. In this way, the predator prey relationship often forms and "evolutionary arms race", in which eats species rapidly evolves to counter the other.

8 0
3 years ago
Roller coasters, with their twists, turns, and loops, seem to defy everything we know about how objects move. Roller coaster des
Contact [7]

Answer:

The answer is D

Explanation:

and can you pls post a lil more points

pls thanks

4 0
3 years ago
What is humidity? If the humidity is 95% does that mean 95% of the air is water vapor?
slavikrds [6]
<span> humanity is a quantity representing the amount of water vapor in the atmosphere or a gas.

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5 0
3 years ago
Read 2 more answers
Suppose you are an astronomer, and a child asks you to explain how long it takes light to travel through space. In your own word
Aleonysh [2.5K]
Ok so I would start by saying that light has a maximum speed, then explain that because space is so big we measure it's distance in light years and which means how light travels in a year at 186,282 miles per second Put that in perspective my saying If you could travel at the speed of light, you could go around the Earth 7.5 times in one second. Tell them Sunlight takes about 8 minutes 19 seconds to reach the Earth and that it can take millions or more light years for more distance stars light to reach our telescopes .
6 0
3 years ago
All BUT one descriptive phrase applies to the illustration of water. That is
Elanso [62]
Are you referring to this question?

All BUT one descriptive phrase applies to the illustration of water. That is

A) water is a polar molecule.     

B) the empirical formula of water is HO.                    

C) the shape of a water molecule is bent. 

D) the molecular formula of water is H2O.


If you are, then the answer would be letter b. the empirical formula of water is HO.<span>  </span>

<span>>Water Molecular Formula</span><span>: H</span><span>2</span><span>O</span>

<span>>Water </span>Empirical Formula: H2O

5 0
4 years ago
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