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HACTEHA [7]
3 years ago
14

Why fish have smooth scales on their body​

Biology
2 answers:
melomori [17]3 years ago
6 0

Answer: Scales protect fish from parasites as well as predators and reduce friction with the water. Scales also provide a flexible covering for a fish allowing it to move easily while swimming.

Explanation:

Makovka662 [10]3 years ago
5 0

Answer:

Explanation:

Fish have scales for many reasons. Firstly, to protect the skin of the fish from attacks from predators, parasites and other injuries. Secondly, scales overlap each other in the same way that an armour would protect a person. Hence, providing a layer of protection for the fish.

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Which statement accurately describes the energy needs for photosynthesis and cellular respiration?
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Answer:

D.

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Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.

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3 years ago
Which of these choices is the main purpose of human culture?
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D - understanding the different ways people live, their culture, will break down the wall of judgment and discrimination, therefore people lear to accept each other and get along
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This is the state of body when opposing influences are balanced and the body remains unchanged
wolverine [178]

Explanation:

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5 0
3 years ago
A certain type of flower has two alleles for color (blue, purple), and two alleles for stem height (tall, short). A tall blue fl
larisa86 [58]

Answer:

Mendel's law of independent assortment

Explanation:

Gregor Mendel is a really important figure in genetics, his work on pea plants provided us with many of the fundamentals of genetics that we still have today!

Mendel proposed 3 laws:

1. The law of dominance - this law states that where there are two different alleles (heterozygous) the organism will always express the dominant trait over the recessive trait

2. The law of segregation - this law states that offspring will inherit one allele from each parent, because allele pairs separate in the process of meiosis, such that each gamete contains 1 allele of each trait. When the zygote is formed, it contains an allele from each parent.

3. The law of independent assortment - this law states that traits are independent from one another at the time of gamete formation. The genes are segregated separately from one another, as the presence of one does not impact the presence of another.

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