Phytoplankton
They are the only one that are both animals and protists as they can be either
Answer:
hyperboly regrese alo from bak look
Answer:
"In the 1960's, the purple sea star was one of the first species recognized as a keystone. Its presence keeps tide pools in balance and prevents mussels from taking over the ecosystem."Explanation:
Cow’s milk contains low quantity
of some vitamins such as vitamin C, D and A than human breast milk. Also, Cow's
milk contains high amount of protein, and low amount of carbohydrates. One of
the proteins present in cow's milk is difficult for infants to digest and may
cause an allergic response making cow’s milk unsuitable for infants.
The layer B above the surface of the earth can be identified as the mesosphere. It is a layer of earth’s atmosphere which is located above the stratosphere and below the thermosphere. The characteristic features of mesosphere are as follows-
1. In mesosphere, the temperature decreases as the altitude increases due to the decreasing absorption of the solar radiation.
2. Mesosphere extends from 50 to 85 km above our planet earth.
3. The top of the mesosphere is called the mesopause which is the coldest part of the earth’s atmosphere.
4. The noctilucent clouds or the night-shining clouds are located in the mesosphere.