Answer:
23 chromosomes
Explanation:
The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.
D. Over time, the daffodil population will have a lower chance of surviving a new diseases introduced to the ecosystem because of decreased generic variation.
Answer:
Stomata opens to intake carbon dioxide in the presence of light there by allowing the process of photosynthesis during the day time.
Explanation:
The gaurd cell of the stomata play an important role in regulating the photosynthesis. During the day time, the stomata is open which allows intake of carbon dioxide from atmosphere. Carbon dioxide is very essential for the process of photosynthesis. Thus, during day time when stomata is open photosynthesis takes place while during night time when stomata is closed photosynthesis do not occur. Also the stomata regulate the loss of water from the leaves thereby ensuring availability of sufficient water molecules at the time of photosynthesis.
Answer:
a vacine work by traning the immune system by reconize and combine either virus or bacteria.
The half life of a radioactive isotope is the amount of time it takes for half of the isotopes to decay. However, you do not need to wait the whole half life to measure decay
I’m pretty sure:) hope this helps
