4th Grade Science CRT Study Guide-Second Quarter

1.“Adaptation” is an animal behavior that helps the animal meet its needs for survival in its environment. When a rabbit adapts from the greenery of summer to the snow of winter in a particular area, the “rabbit’s ______might change color” to “blend in” for protection?

2.Birds move as a group from one region to another and back again. When “birds fly south for the winter,” this is an example of an animal behavior known as ______.

3.During the life cycle of a frog, at first a tadpole looks very different from the adult frog but soon changes and begins to resemble the ______.

4.______is the process that butterflies go through to resemble their parents. It includes stages of development known as egg, larva, pupa, adult.

5.During the butterfly life cycle, the ______stage is when “the caterpillar changes shape and develops new body parts.” Finally, an adult butterfly breaks out from this.

6.A food chain ALWAYS begins with a ______.

7.The second level in a food chain is a consumer that eats the producer. The organism in a food chain that breaks down dead organisms and waste, returning important nutrients to the environment is known as a______.

8.Animals “produce young” (reproduce) for the purpose of ______.

9.At some point in their lives, animals usually grow to resemble their ______.

10.Predators are animals that eat other animals. A predator can beany animal. Most plants are NOT considered predators because plants MAKE their own food. Could a flower be considered a predator?______

11.A worm is an organism that belongs to a group called ______because a worm has NO backbone.

12.Snakes are classified as ______because they are cold-blooded.

13.From the most simple to the most complex, correctly arrange the components of a living organism beginning with the “building blocks” of all living things.

______>______> ______>______> ______

14.Sunflowers are classified into the Kingdom ______because sunflowers have chlorophyll and CAN make their own food.

15.Eventhough a mushroom looks like a plant, we know that mushrooms lack chlorophyll and CANNOT make their own food. They are classified in the Kingdom ______.

16.You are a human which classifies you into the Kingdom ______.

17.An ______is made up of “a group of living things and their environment.”

18.Within an ecosystem, there may be a ______, which is a “group of the same species living in the same place at the same time.”

19.“Different populations living together in an area” make up a ______within an ecosystem.

20.The basic “building block” of your body is the cell. Your body is made up of trillions of cells. A ______is formed when “cells are grouped together.”

21.An ______is formed from “ a group of tissues.” An example of this is the heart, the liver, the lungs, or the stomach.

22.“Groups of organs that work together to keep you alive and healthy” such as the respiratory, circulatory, and digestive are called a ______.

23.A jellyfish, a snail, and a worm are all invertebrates. Explain why a snake is NOT considered an invertebrate.______

24.A food chain always begins with a producer (plant). The remaining things in a food chain are consumers from smallest to largest. For example, a rabbit eats the grass and the fox eats the rabbit. Fill in the blanks to show this food chain. _____ > ______> ______

4th Grade Science CRT Study Guide-Second Quarter

Answer Section

SHORT ANSWER

1.fur

2.migration

3.parents

4.Metamorphosis

5.chrysalis

6.producer

7.decomposer

8.continuing their species

9.parents

10.No- a flower is a plant.

11.invertebrates

12.ectotherms= new term in ALCOS for cold-blooded (endotherm is warm-blooded)

13.cell > tissue > organ > system > body

14.Plantae=simply means plant. (new term in ALCOS)

15.Fungi

16.Animalia=simply means animal (new term in ALCOS)

17.ecosystem

18.population

19.community

20.tissue

21.organ

22.system

23.Snakes have a backbone. Therefore, snakes are vertebrates.

24.grass > rabbit > fox