Which is the change in size of a group of organisms of the same species over time?
a. population growth
b. death rate
c. birth rate
d. immigration and emigration

What came first egg or chicken? and is tomato a vegetable or a fruit?

What is the next step in muscle contraction after the actin changes shape? (apex)

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.