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Page 5-6 science

Fourth Grade Science Review

The small leaves that form around the developing flower are the: sepals
Who invented the light bulb: Thomas Edison
Which plant part takes in water and nutrients? The roots
Which part supports the plant and allows the movement of water and nutrients? The stem
Which plant part makes food for the plant? the leaves
The seed forms in the female reproductive part of the flower called the pistil
Pollen forms on the ends of the male reproductive parts of the flower called the: stamen
Pollen is transferred from the stamen to the pistil in a process called: pollination
Most plants reproduce with seeds, but ferns and mosses reproduce with: spores
Green plants produce their own food in a process called: photosynthesis
To produce food, green plants use: water, nutrients, sunlight, carbon dioxide (from the air) and chlorophyll
Plants are green because of: chlorophyll
Many plants enter a period of ______ in the winter, which is similar to hibernation for animals. During this period most of their normal activities stop. dormancy
An organism's _____ provides food, water, shelter and space. habitat
All of the organisms in a forest make up a _______, and all of the organisms in a pond make up a pond _______. forest community; pond community
All energy comes from _____ , and then cycles through the food webs to all of the animals in the community. the sun
_______ get energy directly from the sun and use it to make food. plants
Because plants produce their own food, they are called ___________ . producers
Other organism do not get their energy from the sun. They get their energy by eating plants, or eating animals that have eaten plants.
Organisms that get their energy from eating plants or other animals are called: consumers
The sun's energy cycles through the ecosystem in this order: sun->producers->consumers >decomposers
All of the interrelated food chains in an ecosystem make up a: food web
Food chains and food webs always start with a: plant
The food chain starts with a producer (a plant) and ends with a: decomposer
Decomposers like ______ break down organisms and recycle them back to the nutrient pool. fungi
All of the living and nonliving things in an environment make up: an ecosystem
Everything in an ecosystem depends on everything else. Humans often destroy ecosystems by: polluting ponds, chopping down forests, etc.
the role an oraganism plays in its environment niche
The niche of every organism is different, and an organism's niche changes as it grows. A niche is the organism's role in the community, and includes what it does, what it eats, and what eats it.
All organisms have _________ that allow it to survive in its environment adaptations
Structural adaptations are __________ that help an organism survive, like long beaks, webbed feet, camouflage. body parts
Behavioral adaptations are things that organisms do to survive. Examples of behavioral adaptations are: migration, hibernation, instincts, etc
The measure of the amount of heat energy in the atmosphere is: temperature
The amount of moisture in the air is: humidity
The weight of the air causes: air pressure
Air circulates around the Earth in big chunks called: air masses
Created by: PRO Teacher lit123