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BJU Science 5
Chapter 8 Changes in an Ecosystem
| Question | Answer |
|---|---|
| The carbon dioxide that people _________ is part of what plants need to produce food. | exhale |
| God's patterns of nature _____________ provide for the needs of living things. | efficiently |
| Each change, big or small, is planned and controlled by _____. | God |
| Some changes are part of a _________. | cycle |
| In Genesis 8:22 God says, "While the earth remains, seedtime and harvest, and cold and heat, and summer and winter, and day and night shall not _______, | cease |
| One of the earth's cycles is the ________. | seasons |
| The season of _____ is a time of new growth for living things. | spring |
| During the ____, the baby animals grow and learn. Plants grow and produce food for themselves and for animals and humans. | summer |
| In ______, the temperatures get cooler. The leaves on many trees change color. | autumn |
| ______ has the coldest temperatures of the year. Many tree branches are bare of leaves. | Winter |
| ______ are winds that change direction with the seasons. | Monsoons |
| During the ____ season, most of the rain for the entire year falls. | wet |
| During the ____ season, very little rain falls. | dry |
| Every living thing needs _______. | carbon |
| Carbon combines with other elements to form the compounds that make up ________ things. | living |
| When carbon combines with oxygen, it forms a gas called carbon ________. | dioxide |
| During _______ plants use water, carbon dioxide from the air, and energy from the sun to form sugar molecules and oxygen. | photosynthesis |
| The sugar molecules produced through photosynthesis contain ______. | carbon |
| The oxygen that was formed during photosynthesis is released into the ______. | air |
| Animals and humans breathe in _______. | oxygen |
| ____________ is the process in which organisms use sugar molecules and oxygen to produce energy. | Respiration |
| In _________, respiration is the opposite of photosynthesis | plants |
| When living things die, carbon remains __________ in their bodies for a while. | stored |
| Bacteria, fungi, and other decomposers break down the bodies of ______ things. | dead |
| ________ provides energy for plants to make food. | sunlight |
| The _______ cycle is important to life. Like carbon, _______ is essential to life. Living things depend on this element. | Nitrogen |
| Nitrogen ________ is part of the air we breathe. The air is mostly made up of nitrogen _____. | gas |
| To be usable, nitrogen gas must combine with other _____. | elements |
| One way nitrogen can change into a usable form is by ______. | lightning |
| Most nitrogen is changed by _________. | bacteria |
| ______ is always moving between the atmosphere and the earth. | Water |
| ________ is the process of liquid water changing into a vapor, or gas. | Evaporation |
| Plants, animals, and humans release water vapor into the air, through a process called _________. | transpiration |
| The process of water vapor changing to a liquid is called _______. | condensation |
| Rain droplets form from condensation. The droplets collect in the clouds and then fall to the earth as __________. | precipitation |
| The precipitation which soaks into the ground and is stored there is knows as _________ water. | ground |
Created by:
fargirls