Answer:
b. dominant species
Explanation:
Dominant species in an ecological community is the one that is present in profuse number. Due to their abundance, they affect the presence, distribution, and abundance of other species of the community.
For example, trees are dominant species in the forest ecosystem and regulate the occurrence of other species on the forest floor by affecting the availability of light and moisture.
Answer:
The correct answer is - bind to receptors in the nucleus of the target cells.
Explanation:
Steroid hormones are the chemical compounds that are a member of the class of steroids and act as hormones. These hormones are released by the adrenal cortex, testes and ovaries in the body placenta also release steroid hormone during pregnancy.
The steroid hormones do not bind to the plasma membrane of the target cell but binds to the receptors present on the nucleus of the cell. These cells pass through the cell and reach the nucleus and bind to it or gene to produce proteins for the biological process.
Thus, the correct answer is - bind to receptors in the nucleus of the target cells.
Answer:
Oxygen
Explanation:
Plants take in water, Carbon Dioxide and light to make oxygen for humans and animals to breath.
