9a

Question 2

Name 3 resource plants need

Question 3

Define “environment” and “environmental factors”

Question 4

Define abiotic and physical enviromental factors and give 3 examples of each

Question 5

Define biotic environmental factors and give 3 examples of it

Question 6

What causes environmental variations

Question 7

Name. Human environmental variations

Question 8

Define continuous and discontinuous variations

Question 9

Define biological classifications

Question 10

What are species

Question 11

How does enviromental variations make biological classifications difficult

Question 12

Name 3 charateristics that could be inherited to offsprings

Question 13

Define inherited variations

Question 14

What are instructions for inherited characteristics stored

Question 15

Why would offsprings contain characteristics of each parent

Question 16

Why don’t siblings look the same

Question 17

Name 2 discontinuous inherited variation

Question 18

Name 2 continuous inherited variations

Question 19

Define the “normal distribution” in biological terms as well as trends we often see

Question 20

What is statistics and why do we use it

Question 21

Define probability

Question 22

Define the way to change percentage into a fraction and/or decimal

Question 23

Define the way to represent probabilities as fractions

Question 25

Name a disease that could be genetically inherited

Question 26

How was the structure of the DNA discovered

Question 27

What an where is “DNA”

Question 28

Define chromosomes

Question 29

What are the importance of DNA’s

Question 30

Define “Genes”

Question 31

How much chromosmes do your cells contain

Question 32

Define “Sex chromosomes” in males and females

Question 33

What are gamete’s and why are they defferent from casual boy cells

Question 34

Why do organisms adapt and how does doing so effect the organisms survival

Question 35

How do organisms go endangered or extinct

Question 36

What are gene banks and how does it help preserve biodiversity

Question 37

Define natural selections and why it happens

Question 38

Define “Darwin’s theory of evolution”