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postnew [5]
2 years ago
14

Study the diagram of a cell.

Biology
2 answers:
34kurt2 years ago
7 0

Answer:BBBBBB

Explanation:

Because I got it right on the asihnement

Anika [276]2 years ago
6 0

Answer:

W and Z

Explanation:

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The potato placed in vinegar produced _________.
anastassius [24]

Answer:

Most living tissue contains catalase. We can use potatoes to help see catalase work because bubbles of oxygen form when we put potatoes into hydrogen peroxide.

Explanation:

As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.

3 0
2 years ago
Which of the following is TRUE? Species on Earth today are just a fraction of all species that ever lived. The number of species
Orlov [11]

Answer:

Until recent history,extinctions have always happened gradually and on a small scale.

Explanation:

Extinction occur when environmental factors like natural disaster,habitat fragmentation,over exploitation,global change don't favor the survival of species thus gradually leads to extinction of species.

Some times human activity becomes the major problem for extinction.More over,poor reproduction,decline in population number and genetic inbreeding also leads to extinction.

99% of all species that exist on earth become disappeared.

Evolution leas to speciation which leas to formation of new species but species become extinct when they are unable to survive against competition.

8 0
3 years ago
And instrument to measure heart beat​
Likurg_2 [28]

Answer:

stethoscope is the instrument used to measure heart beat

3 0
3 years ago
Read 2 more answers
What type of isolation was occurring in the collared lizard population?
Ray Of Light [21]

Answer:

Dispersal

Explanation:

It should be understood that there was a point in time when the collard lizards were going into extinction. This is due to some certain human activities such as bush burning, which caused the death of this particular creature and others.

Therefore, this activity led to the dispersal of the remaining member of the population, which resulted to being isolated on a mountain.

6 0
3 years ago
PLEASE HELP! 25 Points!
babunello [35]
Its B cuz the definition is <span>one of two or more alternative forms of a gene.

</span>
4 0
3 years ago
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