C. A seed grows
From the pollen
A triple balance beam <span />
C. Sending a message to the pituitary gland to start producing a hormone when the levels in the body are low.
<span>B) photosynthesis; cellular respiration
Photosynthesis is the process of how plants make their food. They use sun's light, water and CO2 to make glucose and turn it into energy.
</span>Cellular respiration involves a series of chemical reactions.<span>The reactions that are catalysed by enzymes actually helps the organism to grow, respond to various changes in the environment, reproduce and continue maintaining their own structures. Cellular respiration is also considered a part of the metabolism process. This process actually helps in carrying the oxygen through the blood. </span>
The three primary germ layers (called the ectoderm, mesoderm, and endoderm) are the primary layers of cells in the embryo from which all tissues and organs develop. Human pluripotent stem cells are also known as human embryonic stem cells.
