Question: Choose your answer.

Which statement best explains Earth's day and night cycle?

OPTIONS:
- Earth rotates once each day on its axis.
- Earth revolves around the Sun each year.
- The Sun is closest to Earth during the day.
- The tilt of Earth changes throughout the year.
My Answer: Earth rotates once each day on its axis.

Question: Choose your answer.

To which group does an animal belong if it lays eggs and has scales and gills?

OPTIONS:
- amphibian
- bird
- fish
- reptile
My Answer: fish

Question: Choose your answer.

The body is able to detect pressure on its surface by which direct means?

OPTIONS:
- releasing of hormones in skin
- changing in volume of fat and muscle cells
- signaling by sensory neurons
- changing of voltage in interneurons
My Answer: signaling by sensory neurons

Question: Choose your answer.

Which effect would the growing of legume crops such as beans and soybeans have?

OPTIONS:
- increase the efficiency of photosynthesis
- greater immunity of crops against diseases
- fewer bacteria in soil and in living organisms
- more usable nitrogen for other plants
My Answer:
more usable nitrogen for other plants