Science Chapter 4

Question 1

How do cactuses adapt to their dessert environment?

Answer 1

1. Spikes to protect themselves from predators
2. Long Roots to absorb any rain

Question 2

What is a habitat?

Answer 2

Place where an organism lives

Question 3

What is the study of eco systems called?

Answer 3

Ecology

Question 4

What does extinct mean

Answer 4

species of organisms that no longer exists

Question 5

What does eradicate mean

Answer 5

completely get rid of

Question 6

What are invasive species

Answer 6

Species that becomes overpopulated and harms and environment and the habitat.

Question 7

What is bioaccumilation?

Answer 7

substances or chemicals that stays in an organisms’ body and does not break down but increases along the food chain.

Question 8

What is an adaptation?

Answer 8

Adaptation is a special characteristic that allows an organism to survive in a particular environment

Question 9

List examples of habitats

Answer 9

-rainforest
-mountain
-snow mountain
-amazon
-jungle
-acacia forest
-Dessert

Question 10

What adaptation do arctic animals have against the cold climate

Answer 10

1.Thick Oily fur coats
2.Layers of Blubber under the skin
3.May change colour in the summer
4.Small ears
5.Rounded body shape
6. Large furry feet
7.Often longer snout

Question 11

How do plants adapt in dry climates

Answer 11

They store water by using stem cells

Question 12

How do animals adapt in dry climates

Answer 12

1.Large ears to absorb heat
2.Large thin ears to reflect heat
3.Thin silky fur
4.Long limbs to spread the heat
5.More elongated body shape