40 Week Exam

Question 1

Abiotic Factors

Answer 1

Physical or nonliving factor that shapes an ecosystem

Question 2

Biotic Factors

Answer 2

Biological influence on organisms within an ecosystem

Question 3

Cellular Respiration

Answer 3

Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen

Question 4

What are the hormones involved in the preparation of the egg and uterus?

Answer 4

Estrogen and Progesterone

Question 5

Nitrogen Fixation

Answer 5

Process of converting nitrogen gas into ammonia

Question 6

Phosphorus Cycle

Answer 6

Forms part of important life sustaining molecules such as DNA and RNA

Question 7

Mitosis

Answer 7

Part of eukaryotic cell division during which the cell divides

Question 8

Meiosis

Answer 8

Process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell

Question 9

Cell differentiation

Answer 9

The process by which a cell becomes specialized in order to perform a specific function

Question 10

Steroid Hormones

Answer 10

• Crosses cell membranes easily

- Passing directly into the Cytoplasm and even into the nucli of target cells

Question 11

Non-Steroid

Answer 11

Cannot pass through cell membrane of their target cells

Question 12

Levels of Organization

Answer 12

Species
Populations
Communities
Ecosystem

Question 13

Placenta

Answer 13

Transports materials through to embryo

Question 14

Nervous System

Answer 14

Recognizes and coordinates the body’s response to changes in its internal and external environments

Question 15

Integumentary

Answer 15

• skin, hair, nails, sweat and oil glands
• serves as a barrier against infection and injury
• regulate body temperature provides protection against UB rays