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dimaraw [331]
3 years ago
9

The disappearance of many species during a relatively short time is known as

Biology
2 answers:
Sonbull [250]3 years ago
7 0
The disapperance of many species during a relatively short time is known as extinction
AlekseyPX3 years ago
3 0

Answer:

The answer is Extinction.

Explanation:

Extinction is the disappearance of all members of a species. A species is considered extinct from the moment the last individual dies. In the case of species that reproduce sexually, extinction is generally unavoidable when only one individual of the species remains, or only individuals of the same sex, since there is no way they can reproduce to give continuity to their species.

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Echinoderms _____. _____ Select one: a. have an exoskeleton of hard calcareous plates b. often use tube feet to move around in t
atroni [7]

Answer:

B. often use tube feet to move around in their environment

Explanation:

Tube feet are tiny tubular projections of echinoderms on the underside (oral side). They are a member of the echinoderm water vascular system.

Tubular feet are used for feeding, breathing and shifting. They are arranged around the sides, in grooves. They work by hydraulic pressure. They are used to transfer food in the centre to the oral mouth, and may stick to surfaces. Tube feet allow certain animals to stick and travel slowly to the ocean floor. for example starfish uses tube feet for the above functions.

Hence, the correct option is B.

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3 years ago
A muscle that has an origin on the spine of the scapula and an insertion on the occipital nuchal line is capable of
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2 years ago
Botulinum toxin binds to receptors present at the axon terminal in order to enter the neuron. what vesicular transport process d
QveST [7]
Answer;
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The vesicular process involved in the toxin entering the neuron is endocytosis process.

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Botulinum toxin binds to the neuronal cell membranes at the nerve terminus and enters the neuron by endocytosis. 
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3 years ago
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Fossil fuels (oil) are part of which cycle?<br> carbon <br> nitrogen<br> phosphorus <br> oxygen
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Carbon

Carbon is a part of rocks and fossil fuels like oil, coal, and natural gas etc...
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The endocrine system is a collection of glands that secrete __________ into the bloodstream
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