Enriched Science Chapter 7 Part 2 Question Preview (ID: 38332)


Section 2. TEACHERS: click here for quick copy question ID numbers.

Which of the following steps is second in this food chain? a. The snake obtains energy by eating the mouse. b. Plants make energy-rich food using sunlight. c. The Sun emits energy. d. The hawk obtains energy by eating the snake.
a) The snake obtains energy by eating the mouse.
b) The Sun emits energy.
c) Plants make energy-rich food using sunlight.
d) The hawk obtains energy by eating the snake.

How is energy lost that is not used for life processes?
a) potential energy
b) kinetic energy
c) thermal energy
d) chemical energy

Which of the following is a biotic factor?
a) fish
b) ocean
c) lake
d) pond

Which of the following does NOT use light energy to make food?
a) chemosynthetic bacteria
b) algae
c) oak tree
d) grass

Which of the following items is abiotic?
a) bee
b) fly
c) ant
d) air

Which of the following is a biotic factor?
a) sunlight
b) worms
c) water
d) climate

Phytoplankton are said to release how much of the oxygen in Earth’s atmosphere?
a) 25%
b) 50%
c) 75%
d) 100%

As you move upward, from level to level, in an energy pyramid, energy ____.
a) decreases
b) increases
c) stays at the same level
d) is destroyed

If the first trophic level in an energy pyramid receives 10,000 units of energy from the Sun, how much energy is available for the second trophic level?
a) 10,000 units
b) 9,000 units
c) 1,000 units
d) 900 units

Which of these is the name for the release of water vapor from leaves and stems of plants?
a) evaporation
b) condensation
c) precipitation
d) transpiration

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