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Vinvika [58]
2 years ago
15

Plz help me on this sheet

Biology
1 answer:
aleksklad [387]2 years ago
3 0
65.Food Shelter and Protection

66. a particular section, group, or type of people or animals living in an area or country.

67. a community of animals, plants, or humans among whose members interbreeding occurs.

68. Rainfall is a limiting factor because not alot of areas get water around here.

69. Individual, Species, Organism

Population

Community

Ecosystem

Biome

Biosphere
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Papillary muscles:
GalinKa [24]

Answer:

The correct answer will be option-E.

Explanation:

The papillary muscles are the small muscles which arise in ventricles of the heart. These muscles are attached to the atrio-ventricular valves of the heart through chordae tendineae made up of fibrous tissues.

These muscle help prevent the backflow of the blood to the atria during ventricular systole or contraction. These muscle gets activated before the contraction which pulls the chordae tendinae attached to the cusps of the valve, thus closes the leaflets.

Thus, option- E is the correct answer.

8 0
2 years ago
What is an organelle? give two examples of organelles that can be found within a cell
kherson [118]
An organelle is a function in the body. 


4 0
3 years ago
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At which stage would one be able to first distinguish a diploblastic embryo from a triploblastic embryo?A) fertilizationB) cleav
oee [108]

Answer:

Gastrulation.

Explanation:

Zygote is formed by the fusion of the male and female gamete. The zygote undergoes the process of cleavage to form the different embryonic stages of the offspring.

Gastrulation is the important process of the pre embryonic development. The blastula get multiply and rearranged to form the gastrula. The gsatrulation process includes the formation of three germ layers also known as triploblastic embryo. The three germ layers are ectoderm, endoderm and mesoderm.

Thus, the correct answer is option (C).

8 0
3 years ago
Choose the incorrect statement concerning centrioles. A) oriented at right angles to each other B) found in both prokaryotes and
Korolek [52]
The answer is B). Because Centrioles play role in Mitosis. Prokaryotes don't divide by Mitosis. They divide by binary fission.
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This group of unicellular and multicellular eukaryotes can be autotrophs or heterotrophs
kondor19780726 [428]

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protists

Explanation:

hope this helped :)

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