1. heterozygous
2. fact because the color is passed down from the parents
3. This can happen because the trait is recessive and not dominate
4. A
5.A (i think)
6. traits are passed on through genes
Answer:
Part 1. The amount of calcium is independent variable.
Explanation:
An independent variable is a variable in an experiment which is changed to see its effects on dependent variable.
In this experiment, to know about the causes of osteoporosis, the Ca level in blood or calcium intake in changed.
So the concentration of calcium will be independent variable.
Part 2.
The risk of bone fractures is could be changed with calcium.
Explanation:
In this experiment osteoporosis or risk of bone fracture is dependent variable.
Dependent variable are results of experiment which can be changed by independent variable.
As in experiment, Calcium concentration is independent variable.
So the risk of osteoporosis depends can change with calcium.
First scientist Believe they are like bacteria or prokaryotes but now they new the real truth that virus is different neither living nor non living !!
Well C or A would work because both are polite so yeah
False, because a niche is how one animal uses its habitat- many animals use many different niches