root
Part of a plant that is usually underground and absorbs water and minerals from the soil.
stem
A structure that has tubes to carry water, sugar, and minerals to different parts of the plant.
leaves
Plant parts that use sunlight to produce sugar for the plant's food.
photosynthesis
the process by which plants make their own food.
chlorophyll
Green pigment in plants that absorbs light energy used to carry out photosynthesis
vascular plants
Plants with tubes that move water, minerals, and sugars.
nonvascular plants
These plants do not stems or leaves and grow close to the ground to absorb water and minerals like a sponge.
conifers
trees that produce seed-bearing cones and have thin leaves shaped like needles
life cycle
The series of stages that a living thing goes through as it develops.
fertilization
The process of a sperm and egg cell joining together.
flowering plants
Plants that make seeds inside flowers.
germination
The process when a small root and stem begin to grow out of a seed.
maturity
When a plant grows to its full size.
pollen
A yellow fine dust that contains the sperm of seed-producing plants
pollination
The process of pollen moving from a male plant part to a female plant part.
seed
The plant structure that contains a young plant inside a protective covering
spore
A cell that can grow into a new plant.
complete metamorphosis
An animal goes through four stages in its life cycle. Egg, larvae, pupa, and adult.
incomplete metamorphosis
Animals that have three stages in their life cycles. Egg, nymph, and adult.
larva
The second stage in complete metamorphosis. It looks like a worm.
nymph
The second stage in incomplete metamorphosis. It looks like a tiny adult.
pupa
stage in complete metamorphosis in which the larva develops into an adult
physical adaptation
An adaptation to a body part to help it survive.
instinct
An inherited behavior an animal knows how to do without having to learn it.
behavioral adaptation
Something an organism does to help it survive.