what are the choices
Explanation:
photosynthesis is a way that plants make their own food.
Answer:
If the output work makes the job easier in any way.
Explanation:
It is dry in deserts and hot too. There are special kinds of plants that grow in desserts means they have specialized characteristics which help them beat the dry and hot weather.
Succulent plants such as cacti, aloes, agaves have ability to store water in their leaves and stems which have thick and hard outer layer to avoid evaporation of water.
These plants have small spicules on their outer surface which protects them from animals as well.
It is true that studies of animals show that they play only when the physical survival needs have been met; however, there is growing evidence that for children, play is crucial in terms of biological evolution as well as individual development.
The answer is; activation
The second phase of defense is called the adaptive immune response. It involved the recruitment of white blood cells (leucocytes) (mainly the B- and T- cells). The innate defense system, which is the first response to an invading pathogen, involves the body’s physical barriers such as the skin and mucous membrane.
