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brilliants [131]
3 years ago
9

Will mark brainliest!!!!!!!

Biology
1 answer:
My name is Ann [436]3 years ago
6 0
The digram is the pyramid

tertiary consumers: known as apex predators are mostly CARNIVORES but sometimes can be omnivores

secondary: has some carnivores but i would say OMNIVORES

primary: HERBIVORES

primary producer: AUTOTROPH. like grass

heterotrophs: an organism deriving its nutritional requirements from complex organic substances. so like a grass hopper or toad/frog
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Question 7 in the attachment, please help thank you so much!
sertanlavr [38]

Answer:

Here are the answers:

a. 4  Cell determination as an issue in the *rest is missing*

b. 4  They assumed that different ways of separating an embryo into two parts would be equivalent as far as the fate of the two parts was concerned.

c. 4  I and III only

Explanation:

The passage demonstrates the importance of two factors in the development of an embryo: cleavage planes of division of embryonic cells and cell differentiation.

Cleavage Planes:

Cleavage basically refers to the division of the zygote into a large number of cells called blastomeres. Cleavage planes are geometrical lines or orientations along which cleavage takes place. Since, all embryonic cells are the precursors of some type of body cells, the cleavage planes determine if the cells are adequate for growth and development.

Cell Differentiation:

Cell differentiation is the transition of an undifferentiated cell into a specialized one. For example, stem cells are undifferentiated cells that develop into progenitor cells that mature into a specific cell lineage. For an embryo to regenerate, the presence of adequate embryonic stem cells is crucial. Embryonic stem cells are present in abundance before the gastrulation phase of embryonic development, after which they rapidly start differentiating.

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