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Neko [114]
4 years ago
6

What causes genetic variation during human sexual reproductive processes?

Biology
1 answer:
Natasha2012 [34]4 years ago
4 0
"Adjacent chromatids in homologous chromosomes cross over during meiosis in sperm and egg formation" is the one among the following choices that describes what <span>causes genetic variation during human sexual reproductive processes. The correct option among all the options given in the question is the second option.</span>
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A closed glass jar contains water vapor. The jar cools and liquid water begins to form. What will happen to the mass of the cont
Dmitriy789 [7]
It will stay the same. 

The mass isn't <em>going anywhere</em> (You did mention the jar was hypothetically and therefore hermetically sealed) 

The only thing changing here is the density of the water in the jar (whether it be vapor, liquid or otherwise)
as the temperature drops and the vapour becomes liquid, the water will be more dense. 

that's not saying that the weight won't increase as that is controlled by the force gravity exerts on the mass. (Hint: water is much more affected by gravity than air is)
4 0
4 years ago
How do daily human activities affect the ecosystem?. . . .A. They release poisonous chemicals in the environment, leading to dis
Triss [41]
<span>Answer A is correct because humans release tons of chemicals into the environment every single day. All it takes to disrupt an entire ecosystem is a chemical released into their water source, which in time slowly poisons the animals. Say a rabbit was drinking the polluted water and is now carrying the poison in it's body. A coyote comes along and eats the poisoned rabbit, and the coyote is now poisoned. That threw off the natural food chain.</span>
7 0
4 years ago
Read 2 more answers
Is a fly a single cell or multicellular organism ​
zaharov [31]

Hello!

A fly is a multicellular organism.

I hope this helps you! Have a lovely day!

- Mal

3 0
3 years ago
How is global climate change is impacting our ecosystems ( in your own words not from google )
Aleonysh [2.5K]

Answer:

Climate change impacts where species live and how they interact, also including the timing of biological events. Climate change can immense the capacity of ecosystems to extreme events and disturbance, such as wildfires, floods, and droughts.

Explanation:

5 0
3 years ago
A subunidade básica do DNA são os nucleotídeos, que são formados por?
Naddik [55]

Olá!!! Bom vamos lá!


O nucleotídeo é constituído de um açúcar,um grupo fosfato e uma base nitrogenada. Nesse caso estamos falando de subunidade então podemos dizer que estamos falando do RNA ou DNA, logo, teremos a desoxirribose como açúcar.


Depois teremos um grupo fosfato e assim as bases nitrogenadas ( Guanina, Timina/Uracila, Citosina, Adenina) Sendo que C combina com G e A combina com T/U , vamos usar a base T quando for DNA, e quando for RNA vamos usar U. Por isso a resposta correta é a letra B!


Espero ter ajudado em algo!



3 0
3 years ago
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