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Andrew [12]
3 years ago
5

Spontaneous Generation versus Biogenesis In this activity, you will distinguish the theories of spontaneous generation and bioge

nesis. For each of the following statements, determine whether it refers to the theory of spontaneous generation or to biogenesis. Drag the appropriate items to their respective bins.
Biology
1 answer:
zmey [24]3 years ago
3 0

Answer:

<h2>There are different theories that was proposed regarding the evolution.</h2>

Explanation:

Spontaneous generation theory states that life arises from some non-living thing or component. An experiment was carried out where it was believed that maggots arises from a piece of flesh. So, they believe that maggots (living) arises from flesh (maggots).

Theory of biogenesis states that living organisms arises from living organisms.  To support the theory Pateur performed an experiment and proves that living organism arises from living organisms.

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Freshwater fish need water near pH7.these fish prefer
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A. Neutral water

Less than 7 is acidic (which has 6 letters, 6< 7)

More than 7 is alkaline (which has more than 7 letters). Alkaline = basic

7 is neutral

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3 years ago
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Gastrulation, when the cells organize themselves into an embryo occurs 2 weeks after conception. What do the 3 layers of cells g
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Answer:

Gastrulation is the process where the developing embryo forms the process of the 3 germ layers. These germ layers are formed due to the movement of the single-layered blastula. Gastrulation starts during the third week of the human embryo.

The three germ layers give rise to different organs of the fetus. The 3 layers are ectoderm or outer layer, mesoderm or middle layer, and endoderm or inner layer.  

These 3 germ layers give rise to different organs of the human fetus. Ectoderm forms epidermis, skin, hair, olfactory organs, eye lense. glands like pituitary. Sensory nerves, skeleton, pigment cells are also formed from ectoderm.  

Ectoderm also forms a neural tube that further divides to form the brain, spinal cord.

Mesoderm form the vertebral column, skeletal muscle, excretory organs, reproductive organs. It also forms blood cells, blood vessels, body cavity or coelom.

The inner layer endoderm gives rise to the lining of the digestive tract, liver, pancreas, bladder, etc.

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3 years ago
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Artist 52 [7]
Genes and the environment
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3 years ago
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Fur seals and sea lions have similar body shapes and features. based on their anatomy, they seem to have a relatively recent com
arlik [135]
<span>Looking at the two species' DNA would be a good place to start. If there are a number of similarities in their genotypes, then there would be a good chance that the two would also share some type of a common ancestor. This would be evidence that there was some type of selection that took place that necessitated two different species that shared a number of traits and features.</span>
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3 years ago
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If a woman is homozygous for red hair and her husband is homozygous for brown hair, what is the probability that they will have
boyakko [2]
Well, you failed to mention which one is the recessive trait in this instance. But, let’s say red hair is recessive, denoted by r and brown hair is dominant denoted by R. Mom is rr and dad is RR. All children are going to be Rr and so heterozygous. They will all carry the trait for red hair but will express brown hair themselves, so 0% probability of having a child with red hair from the initial parents
5 0
1 year ago
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