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algol [13]
3 years ago
10

What happens during crossing over and what is the significance?

Biology
1 answer:
Mkey [24]3 years ago
4 0
The endings of certain Chromosomes detach and mix up until the endings go to different Chromosomes from which they started at
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Deep scratches have been found in the rocks of South Africa - scratches that can only be made by glaciers (big blocks of ice). W
earnstyle [38]

Answer:

This says that a very long time ago South Africa could have had glaciers and had a cold climate were as now South Africa has a very hot and humid climate.

8 0
3 years ago
Before the widespread use of computers, how was the epicenter of an earthquake determined?
Maru [420]
It has something to do with finding the aftershocks of 3 locations around it. 
5 0
3 years ago
How many categories are plants separated into?a.1b.2c.3d.4
Marrrta [24]
Plants are separated into C) 3 categories.
3 0
3 years ago
Which best explains what exo in exoplanet means?
timofeeve [1]
Exo means outside


So planets outside our solar system
6 0
3 years ago
A cheetah, like those shown below at left, and a paramecium, like the one shown below at right, are both living things. Accordin
Natalka [10]

The correct option for this question is as follows:

a) they are made of many cells

b) they are made of one or more cells

c) they come from the same kind of cell

d) they come from noncellular structures

Answer:

The correct answer is - option b. they are made of one or more cells

Explanation:

The cell theory has three major parts that are; the cell is the basic and physiological unit of the organism, all living organisms are made up of one or more cells, new cells come from the pre-existing cells.

On the basis of the cell theory, we can say that all organisms including the cheetah that is a multicellular organism or paramecium a single-celled organism, are made up of one or more cells.

5 0
3 years ago
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