Science Fusion Grade 4: Unit 3 - Plants and Animals

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Root
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Terms in this set (25)
Root
Part of a plant that is usually underground and absorbs water and minerals from the soil.
Image: Root
Stem
The part of the plant that holds it up and has tubes that carry water, minerals, and nutrients through the plant.
Image: Stem
Leaf
The part of a plant that makes food, using air, light and water
Image: Leaf
Photosynthesis
The process by which plants use energy from the sun to change carbon dioxide and water into sugar and oxygen.
Image: Photosynthesis
Chlorophyll
A green pigment in plants that allows plan cells to make food using sunlight.
Image: Chlorophyll
Vascular plants
Plants with tubes that move water, minerals, and sugars.
Image: Vascular plants
Nonvascular plants
These plants do not have stems or leaves and grow close to the ground to absorb water and minerals (like a sponge).
Image: Nonvascular plants
Conifers
trees that produce seed-bearing cones and have thin leaves shaped like needles
Image: Conifers
Life cycle
The series of stages that a living thing goes through as it develops.
Image: Life cycle
Fertilization
The process when reproductive cells join to form a cell.
Image: Fertilization
GerminationThe process when a small root and stem begin to grow out of a seed (sprouting of a seed).MaturityThe stage at which an organism can reproduce.PollinationThe transfer of pollen from one flower to another flower.SeedThe plant structure that contains a young plant inside a protective coveringSporeA reproductive structure of some plants, such as mosses and ferns, that can form a new plant.Complete metamorphosisAn animal goes through four stages in its life cycle. Egg, larvae, pupa, and adult.Incomplete metamorphosisAnimals that have three stages in their life cycles. Egg, nymph, and adult.LarvaThe second stage in complete metamorphosis. It looks like a worm.NymphThe second stage in incomplete metamorphosis. It looks like a tiny adult.PupaThe stage in complete metamorphosis in which the larva develops into an adult.Physical adaptationAn adaptation to a body part to help it survive.InstinctA behavior an animal is born knowing how to do to help it survive.Behavioral adaptationSomething an animal does to help it survive.AdaptationA characteristic that helps a living thing survive.EnvironmentAll the living and nonliving things that surround and affect an organism

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