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VLD [36.1K]
3 years ago
8

What are eukaryotic kingdoms

Biology
1 answer:
Vikki [24]3 years ago
8 0

Answer:

The four eukaryotic kingdoms include animalia , plantae, fungi and protista. they are all organisms with cells that have nucleui

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egoroff_w [7]

Sexual reproduction produces genetically different offsprings which do possess variations, hence better chance to survive in the environment.

Option C

<h3><u>Explanation:</u></h3>

Sexual reproduction is the process of reproduction where there's a fusion of gametes from a male and female of the same species, resulting in a zygote and eventually an offspring. Sexual reproduction is very advanced type of reproduction which is very expensive for an organism. Much of the energy of the organism is spent to produce gametes and other necessary processes for reproduction.

Gametes of the sexual reproduction is produced mainly by means of meiotic cell division. This involves crossing over and chaismata formation which helps in genetic variations in the offspring. These variations help the species to survive unknown changes in environment, and helps to adapt quickly lessening the chances of extinction. So sexual reproduction has modified various times in different groups of species.

8 0
3 years ago
Scientists can find new discoveries that change their current understanding of scientific knowledge.
Dahasolnce [82]
I would say true. I say this because there have been times where scientists find out that there are better ways of performing experiments, or found that certain materials work better for certain tasks. (Especially true in medicinal fields!)
6 0
3 years ago
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The Institutional Review Board Committee's major concerns are protecting human research participants from physical or mental har
Sidana [21]

Answer: a. True

Explanation:

The main aim of the IRB is to safeguard the right of the human subjects used for the purpose of research conducted by the governmental authority. It also emphasizes over the protection of the researchers from illegal complaints. The risks to the human subjects can be minimized by using procedures which cause no harm to them and a detail consent of the research practice should be taken from these subjects by informing the purpose of research.

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3 years ago
When heat is added to a substance describe how the molecules are affected enter your answer in the space provided
Y_Kistochka [10]

molecules will gain energy, causing them to move faster and spread further from each other

4 0
3 years ago
Which statement best describes how a B-cell works?
iragen [17]

Answer:It produces antigens which stimulate a fever.

Explanation:

4 0
2 years ago
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