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Naddika [18.5K]
3 years ago
5

What are the prerequisites for natural selection to take place

Biology
1 answer:
Alinara [238K]3 years ago
6 0
Too many or too little of one gender causes gender depopulation or too many of one trait that will die out
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66) homologous chromosomes move toward opposite poles of a dividing cell during; a) mitosis.; b) meiosis i.; c) meiosis ii.; d)
Fudgin [204]
B) Meiosis 1.

During anaphase, homologous pairs of chromosomes are separated into their own haploid daughter cells.
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3 years ago
How does gaseous exchange tale place in amoeba
Alenkasestr [34]

Answer:

Simple organisms, such as theamoeba and earthworm, have a moist, permeable external surface. Oxygencan pass into them through this surface by diffusion. A large surface area is needed for effective gas exchange - so larger, more complex, organisms have special organs such as gills and lungs.

Explanation:

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4 years ago
Which genetically engineered medicine is injected into the body to protect a person from the effects of a virus?
BartSMP [9]
B. the flu vaccine 
It is the flu vaccine because flu vaccines can be produced to protect people from the flu virus.
7 0
4 years ago
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Chemical reactions within the body sometimes require special proteins called _____ to catalyze the reaction
Xelga [282]
The answer is Enzymes! This is because the enzymes help recover from the reaction and were made to do just that!

Hope this helps!
4 0
3 years ago
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For a moment after hearing his dog's high-pitched bark, Mr. Silvers has a vivid auditory impression of the dog's yelp. His exper
Daniel [21]

<u>Full question:</u>

For a moment after hearing his dog's high-pitched bark, Mr. Silvers has a vivid auditory impression of the dog's yelp. His experience most clearly illustrates ________ memory.

echoic

short-term

iconic

procedural

<u>Answer:</u>

His experience most clearly illustrates echoic memory.

<u>Explanation:</u>

Echoic memory is a portion of sensory memory and relates to auditory memories. The sensory memory that conveys into record sounds that you’ve recently confronted is a kind of this memory type. When you listen to a sound, your ears convey that sound to the brain and it is saved by echoic memory for an aggregate of four seconds.

While that concise time, your mind forms and holds an accurate reflection of the sound that you listened, so that if you stayed in a tranquil room you could yet "listen" it subsequent the sound has ended.

6 0
3 years ago
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