Increasing in size over time.
Taking in food for growth and energy.
Breathing in oxygen, releasing carbon dioxide.
Removing waste from the body.
Reacting to touch, light, or other triggers.
Producing new individuals of the same kind.
Softens the seed coat, letting the embryo grow.
Needed from spaces between soil particles — the same spaces let roots grow easily.
Most seeds germinate without light, though it's essential once the seedling appears.
A seed developing into a seedling.
Breathing in oxygen, releasing carbon dioxide.
Removal of waste from the body.
Anything that triggers a response.
The stages from birth to producing the next generation.
Early wormlike stage / resting transformation stage.
A jelly-like cluster of frog eggs.
Young stages of a frog, before adulthood.