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fenix001 [56]
3 years ago
7

An example of a biosphere is ________________

Biology
1 answer:
Assoli18 [71]3 years ago
5 0

Answer:Earth

Explanation:It is actually earth since we have living organisms

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Long-term use of __________ can lead to permanent hearing loss, limb spasms, nervous system and brain damage, bone marrow damage
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the answer is inhalants .         :)

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4 years ago
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What causes genetic variation to be preserved or eliminated <br> how does that affect evolution?
kkurt [141]

Answer: genetic variation is a mutation or a change in the sequence of DNA. It can be preserved if that sequence is needed for a species to survive ( evolution). It can also be preserved if that sequence is strong enough to be passed down from mother to child. The mutation can be eliminated if it causes distress to the animal or if it makes the animals chances of survival smaller. If an extra fin on a dolphin helped it to better escape its predator and better obtain food then this trait may stick around because it is beneficial to the species. If the fin cause the dolphin to swim slower then the dolphin may not survive to reproduce or the trait will not pass on.

Explanation:

3 0
3 years ago
The repeating stages a cell experiences, including cell division, compose the _____ _____.
Jobisdone [24]

The repeating stages a cell experiences, including cell division, compose the cell cycle.

Life cycle of the cell (cell cycle) can be divided in interphase and mitotic phase.

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• S where DNA replication occur

• G2 phase final preparation for mitosis.

Mitotic or M phase consists of:

• Prophase-condensation of chromosomes and mitotic spindle formation

• Metaphase-alignment of the chromosomes

• Anaphase- Sister chromatids are  pulled apart by the mitotic spindle

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Two new cells are formed after cytokinesis.


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3 years ago
What types of crust interact at convergent plate boundaries?<br>​
Delvig [45]

Orogenic belts occur where two continental plates collide and push upwards to form large mountain ranges. These are also known as collision boundaries .. hope this helps ?

5 0
3 years ago
Here are some biology questions pls help ASAP. 15Pts question
FinnZ [79.3K]

Answer:

1. B - Aa x Aa = 25% chance AA, which is the only genotype that results in sickle-cell. Aa is called "sickle-cell trait'; it isn't the full disease.

2. A - Aa x aa = we know will produce no homozygous dominant

3. B - RR x Rr = 1/2 chance of Rr (same problem as #5)

4. A - Bb x Bb = 1:2:1 ratio

5. B - WW x Ww = 1/2 chance of Ww

6. D - AABbCC has 5 dominant alleles, which is the most out of the four options

7. C - the one with the fewest dominant alleles will be the most green and the most successful in the environment

8 0
3 years ago
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