The argument that each individual member of a species transforms itself to meet the challenges of a changed environment through the laws of use and disuse and inheritance of acquired characters was made primarily by

Describe why plant cells are rigid:

Which cell structure functions as a storage site for water

Many protozoa have tiny hair-like structures that beat back and forth to aid a protozoa's movement. What are these hair-like structures called?

What is critical to the synthesis of thyroxin, the hormone that controls the rate of oxygen use by cells, and whose deficiency causes the condition known as goiter?

A patient with a recent surgically created ileostomy refuses to look at the stoma and asks the nurse to perform all required stoma care. what does the nurse do next

Matter that has a definite column but no definite shape is a

Many pharmaceutical drugs specifically inhibit transcription in bacteria but not archaea or eukarya. why would drugs that inhibit transcription only affect bacteria and not archaea even though they are both prokaryotes?

How do the sperm cells of nonvascular plants reach the egg cells during reproduction? The sperm cells are blown by the wind and land on the egg cells. The sperm cells swim to the egg cells through their watery surroundings.

Both viruses and cells are able to replicate their genetic material. What is the main difference in their replication processes?

How many atoms is in this formula? 2C12H6O6