Answer: C. Birds moving south when the weather gets colder
Seasonal change is the change in season due to change in abiotic factors like weather conditions, sunlight availability, wind direction etc. Seasons change from summer to winter, winter to summer, summer to spring etc. These seasonal changes affect the life of biological communities including plants and animals. Some organisms adapt to changing seasonal conditions but others completely avoid them by migrating to other places where weather conditions are suitable for their survival. Therefore, birds moving south when the weather gets colder is because of seasonal change as birds cannot tolerate cold weather conditions.
Explanation:
Deoxyribonucleic acid (DNA)is a molecule composed of two polynucleotide chains that coil around each other and growth is the increase of size in a child while development is the process in which a child develops his or her skills
Answer:
a."Alkylating agents are toxic to tissues that have rapidly dividing cells."
Explanation:
In the given example the patient is about to begin chemotherapy with a bifunctional alkylating agent.
when the two dna strands are cross linked they will not separate for dna replication which will halt the cell division process so rapidly dividing cells will stop dividing and die
Moreover,Chemotherapeutic agents, also known as antineoplastic agents, are used to prevent the growth of fast-growing cells, usually in the sense of malignancy, directly or indirectly.
Therefore, Chemotherapeutic agents are Alkylating agents that are toxic to tissues that have rapidly dividing cells
So, this statement by student indicates an understanding of his chemotherapeutic agent.
Answer:
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. ... While the digestive system collects and removes undigested solids, the excretory system filters compounds from the blood stream and collects them in urine.
