False
B)cells have a nucleus
C)organisms with one cell must be seen with a microscope
D)organisms must have more than one cell to live
Answer: A) cells come from pre-existing cells
Explanation:
Natural selection is a process by which organisms better adapted to their environment tend to survive, reproduce, increase in number, and pass their traits to succeeding generations. Adaptations are inherited or learned traits that increase an organism's chance of survival in an environment. Evolution is a process of change in a population through genetic variation over time. Natural selection drives evolution.
obesity
b.
diabetes
c.
heart disease
d.
muscular dystrophy
Answer:
B
Explanation:
Obesity is cause by accumulating fat, Heart disease is not hereditary, and muscular dystrophy an be caused by stress according to the BBC
b. wind
c. a top predator
d. a snake
Answer:
The correct answer is b. wind.
Explanation:
The wind does not have a heartbeat.