Polar bears are listed in red as they are belong to Endangered Species. These species are gonna extincting due to gradual changes by environmental factors.
The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
Answer:
A. Biodiversity will decrease .
Explanation:
- The loss of a keystone species can cause extinction or mass destruction of other species that are dependent on it because keystone species are those species which significantly influence the existence and survival of other species in an ecosystem
- Since, beavers are considered as the keystone species, their removal from the ecosystem will cause loss of many other species in the ecosystem resulting in Decrease in the biodiversity of that ecosystem.
Answer:acid and base indicators are used to estimate the pH of a solution
Explanation:
Answer:
The sun
Explanation:
All living things (plants) can't grow without the sun. The sun is what starts plant growth. The plants absorb energy from the sun to grow and to make food. The green in plants are even from the sun! This is why most of the matter that makes up a tree comes from the sun!
Hope it helps!