Answer:
Endocrine system regulates D Hormonal and glandular secretion.
Explanation:
Endrocrine system composed of various glands that secrete hormones or chemical messengers. Those glands include Pituitary gland,Thyroid gland, Adrenal gland etc.
These glands are well known for secretion of various hormones those regulate various physiological activities of our body.
For example Anterior lobe of pituitary gland secretes growth hormones which stimulates the growth of various body parts of our body.
Thyroid hormone secretes T3 and T4 that regulates basal metabolic rate, body temperature, oxygen consumption and also iodine utilization.
Adrenal cortex secretes Glucocorticoid hormone that helps to regulate the blood glucose level as well Protein Metabolism of our body.
In this question, we will answer whether the statement is false or true about plants.
<h3> False or true </h3>
1. CAM plants use organic acids to store their CO2 for use in light reactions
False
2. Phase 3 of the Calvin cycle involves the reduction of 3-phosphoglycerate to G3P.
False
3. in C3 plants, rubisco fixes oxygen if there is no CO2
True
4. Photosystem II can operate independently of photosystem I in a cyclic fashion.
True
5. Carotenoids can act as a kind of energy buffer or “sunscreen” for plants.
True
6. Chlorophyll b has a methyl group at the R-position of the porphyrin ring.
False
7. The cyclic flow of electrons is the main way of transforming energy in light reactions.
True
Learn more about plants in brainly.com/question/13976657
I think the correct answer from the choices listed above is option A. Directional selection can be distinguished from disruptive selection by the elimination of extreme variations of traits. Directional selection is a natural selection where an extreme phenotype is favored than others.