Lesson 1
all the living and nonliving things in an environment and how they interact
ecosystem
__________ and ___________ are the living parts of ecosystems.
animals and plants
Humans can create new habitats and _____ those that already exist.
change
Plant leaves change ______ energy into energy the plant can use.
light
Plants use light energy from the sun, carbon dioxide from the air, and ______ to make sugar.
water
a lace where an animal or plant lives
habitat
__________ and __________ move through the soil and make tunnels which help ____ and ____ get into the soil.
air and water
the green substance found in plants that traps energy from the sun and gives plants their green color.
chlorophyll
Plants need ________ and ______ to change light energy into food energy.
water and air
As the plant makes sugar, ____ is released.
oxygen
An __________ is made up of all the living and nonliving [arts of an environment and how they interact.
ecosystem
All plants and animals live in a _________.
habitat
a process by which plants change light energy from the sun and use it to make sugar
photosynthesis
Roots get water and minerals directly from the _____.
soil
The plant uses the sugars to help it ______.
grow
Ecosystems can be as ____as a forest or as ____ as a drop of water.
large small
Habitats provide _____, _______, and ______ that animals need for survival.
food, water, shelter
a living thing that uses sunlight to make sugar
producers
_________ of a leaf bring water and minerals to the lead from the stems and roots.
veins
Plants are _________ because they are living things that use sunlight to make sugar.
producers
___________, _____________, ____________, and ________ are examples of nonliving parts of an ecosystem.
rocks, soil, water, sunlight
An ecosystem can be composed of ______ habitats.
many
Plants get the energy they need from the _______.
sun
Tiny _______ on the bottom of the leaf let carbon dioxide in and oxygen out.
holes