Adaptation: Adjustment and Change for Survival

Question 1

define adaptations

Answer 1

any temporary or permanent change that improves a plant or animal’s ability to survive

Question 2

adaptations may be _______ and made in response to….

Answer 2

• temporary

- seasonal or daily environmental fluctuations

Question 3

examples of temporary adaptations include

Answer 3

shivering, panting, perspiring

Question 4

examples of permanent adaptation changes…

Answer 4

• frog with bright colors and toxic skin

- plant with hair, spines, thorns

Question 5

define allelopathy

Answer 5

a phenomenon associated with some species of plants where they produce a compound that inhibits the germination of other plant seeds or interferes with growth of established plants within its vicinity

Question 6

7 examples of allelopathy plants

Answer 6

1. black walnut
2. horseweed
3. Jimson weed
4. ragweed
5. quack grass
6. Japanese bromegrass
7. salt cedar ***

Question 7

define a taxis

Answer 7

a response that an organism innately makes to an outside stimulus

Question 8

describe a positive taxis

Answer 8

an organism moving towards the stimulation

Question 9

describe a negative taxis

Answer 9

an organism moving away from the stimulus

Question 10

examples of taxis include…

Answer 10

• phototaxis

- hydrotaxis

Question 11

In the experiment we tested for…

Answer 11

phototaxis and hydrotaxis

Question 12

what did the mealworms chose?

Answer 12

dark and moist areas (both examples of positive taxis)

Question 13

what other taxis might be displayed by the mealworms?

Answer 13

• sound
• temperature
• salt