TCI Resources in Living Systems

When resources are abundant, the population of organisms in that ecosystem will

• stay the same

• increase

• decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Rats like to eat oranges. What happens to the rat population if there are plenty of oranges in the orchid?

• it decreases

• it stays the same

• it increases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When resources are scarce, what happens to the population of organisms that need that resource?

• it increases

• it stays the same

• it decreases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Antelopes like to eat grass in the meadow. The rainy season has created the grass to grow thick. The lions favorite prey is the antelope. Which scenario is likely to happen?

• The lion population will increase after the grasses grow thick.

• The lion population will increase before the grasses grow thick.

• The lion population will decrease after the grasses grow thick.

• The lion population will stay the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

When predator populations are high, what happens to prey populations?

• nothing

• stay high

• drop to low numbers

• barely drop at all

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Plants in the summer get more daylight than plants in the winter, therefore plants in the summer will....

• produce less oxygen

• take in less sunlight

• produce more carbon dioxide

• produce more oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Identify the correct equation for photosynthesis

• 6CO₂ + 6H₂O + LIGHT ENERGY----> C₆H₁₂O₆ + 6O₂

• 3CO₂ + 3H₂O + LIGHT ENERGY----> C₆H₁₂O₆ + 3O₂

• 6O₂ + 6H + LIGHT ENERGY----> C₆H₁₂O₆ + 6O₂

• C₆H₁₂O₆ + 6O₂----> 6CO₂ + 6H₂O + LIGHT ENERGY

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Carbon dioxide, water and light energy are___________________ of photosynthesis

• products

• reactants

• not used

Tags

NGSS.MS-LS1-6

Sugar and oxygen gas are the _________________________ of photosynthesis.

• products

• reactants

• not made

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do producers have in their cells that allow them to make their own food?

• Mitochondria

• Nucleus

• Chloroplasts

• Cytoplasm

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2