7th grade science review

7th grade science review

3 wks test

Multiple Choice

How do sharks breathe under water without having to go up

• Sharks do not need oxygen to live.

• Sharks' gills extract oxygen from the water.

• Sharks have lungs that store oxygen.

• Sharks absorb oxygen through their skin

Multiple Choice

Hollow bones are ?

• Internal Adaptations

• External Adaptations

Multiple Choice

Why do birds have hollow bones?

• to weight more

• bones are lighter for flying

• bones are weaker

• bones that will be heavier

Multiple Choice

Some animals migrate, or seasonally move to a different place. In some bird populations, such as Canada geese, some birds migrate and some stay in the same area year-round. Migration can enhance the survival of individuals because it

• exerts a lot of energy.

• causes adaptations to occur more frequently.

• helps them avoid predators.

• makes finding necessary resources more likely

Multiple Select

Check the ones that belong to the levels of organization

• Cells

• Xylem

• Organisms

• Tissue

Poll

Seeds are the offspring of mature plants. If a seed germinates and survives, it will grow to become a mature plant. Based on this information, what level of organization describes seeds?

• Cells

• Tissue

• Organisms

• Biology

Open Ended

WHAT IS AN ADAPTATION

Multiple Choice

WHAT TYPE OF LEAF IS THIS

• Needle like

• Compound Like

• Serrated

• Rounded

Multiple Choice

what type of leaf is this

• compund

• serrated

• fan shaped

Multiple Choice

Why do animals migrate?

• they need to move to a colder climate where with more ice

• they need to travel long distances to get exercise

• they need to travel to a warmer climate with more food