Answer:
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Explanation:
.Some examples : Sea Otter. The sea otter (shown below) is considered a keystone species as their consumption of sea urchins, preventing the destruction of kelp forests caused by the sea urchin population. ...
.Large Mammalian Predators. ...
.Sea Star
The owl pellet can't be used to study fossil records because they can't show the fossils of the animals from very long time ago.
Answer:
1.Rough Endoplasmic Reticulum (RER
2.Golgi apparatus
3.Peroxisome
4.Lysosome
Explanation:
1.Protein production; in particular for export out of the cell
2.Protein modification and export
3.Lipid Destruction; contains oxidative enzymes
4.Protein destruction
Explanation:
sprem cell will move Ok because it has high potential
Answer:
<h2>the cell membrane</h2>
Explanation:
In exocytosis, the membrane package fuses with <u>the cell membrane.</u>
<u>
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