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
Answer:
chromosomes r the threadlike structure found in the nucleus of living cells, carrying genetic information in the form of genes.
The correct answer would be The Heart
Answer:
its the brain of the cell
Explanation:
