Q: Which stage of a frog's life cycle can be compared to a plant seed growing into a new plant?

OPTIONS:
- when frog eggs are laid in water
- when frog eggs hatch into tadpoles
- when tadpoles live in water and breathe with gills
- when frogs use lungs for breathing out of water
A: when frog eggs hatch into tadpoles
Q: A researcher determines a cell has a flexible cell wall composed of peptidoglycan. This observation narrows possible classifications of the cell to which taxonomic group?

OPTIONS:
- archaea
- bacteria
- fungi
- plants
A: bacteria
Q: When studying planetary data, Jackie found some similarities and differences among the planets that make up the solar system. Which generalization is true about the orbits of the major planets in the solar system?

OPTIONS:
- Planetary orbits have the same plane.
- Planetary orbits are mostly elliptical in shape.
- Planets orbit at the same speed around the Sun.
- Planets orbit in different directions around the Sun.
A: Planetary orbits are mostly elliptical in shape.
Q: The nervous system is composed of cells, tissues, and organs. Which is a cell of the nervous system?

OPTIONS:
- brain
- spinal cord
- ganglion
- neuron
A:
neuron