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VARVARA [1.3K]
2 years ago
14

Which statement best describes a hypothesis?

Biology
1 answer:
OverLord2011 [107]2 years ago
8 0
The answer is B It must be testable.
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A two-kingdom system of classification was used until which decade?
larisa [96]
It was used till the 1960s. Hope i helped.
6 0
3 years ago
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Observe: Click Next. What happens in the cytoplasm?
WARRIOR [948]

Answer:

The cytoplasm is a jelly like substance that supports and suspends organelles and molecules inside the cell. It also helps move and dissolve materials throughout the cell including waste molecules, proteins, and hormones.

I hope this helps! I tried to keep it short and simple. :)

7 0
3 years ago
8. In chickens, brown feathers are dominant over red feathers. Suppose we cross two heterozygous chickens.
devlian [24]

Answer:

Crossing two chickens heterozygous for the trait feather color, when brown feathers are dominant over red feathers, will produce offspring with brown and red feathers in a brown:red phenotypic ratio of 3:1.

Explanation:

Knowing that in chickens brown feathers are the expression of the dominant allele (B) and the recessive allele is red (b), crossing two heterozygous individuals (Bb) will result in offspring that are likely to have brown or red feathers.

The cross can be represented by a Punnett Square:

<u>Bb X Bb cross </u>

alleles     B    b

B             BB Bb  

b             Bb bb

Where the result is:

<u>Genotypes</u>:  

  • Bb, 50%
  • BB, 25%
  • bb, 25%

<u>Phenotypes</u>:

  • Brown feathers, 75%
  • Red feathers, 25%.

In this case, the probability of having brown or red feathers is 3:1.

3 0
3 years ago
A moving hang glider has ____ energy, which converts to _____ energy once the hang glider stops.
Sunny_sXe [5.5K]
A moving hang glider has kinetic energy, which converts to potential energy once the hang glider stops.
4 0
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Is there a symbiotic relationship between plants and water? If so, what effect does it have on their ecosystem?
Lina20 [59]

Answer:

No, this would not be a symbiotic relationship.

Explanation:

Symbiotic relationship is between plants and fungi.

5 0
3 years ago
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