Science 4.1-4.4 Flashcards

1
Q

A living thing

A

Organism

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2
Q

The green matter in plants which traps sunlight energy; gives plants the ability to produce its own food

A

Chlorophyll

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3
Q

The food making process in green plants

A

Photosynthesis

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4
Q

The simple sugar made by green plants

A

Glucose

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5
Q

An organism that is able to produce its own food by using sunlight energy

A

Producer

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6
Q

An organism that depends on producers for food energy

A

Consumer

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7
Q

Layer of dead and decaying leaves on the forest floor

A

Leaf litter

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8
Q

The soft organic material in soil made from the decayed remains of living things

A

Humus

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9
Q

Output products of photosynthesis

A

Oxygen and glucose

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10
Q

Inputs needed for photosynthesis to occur

A

Water, sunlight and carbon dioxide

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11
Q

The leaves and branches of a tree

A

Crown

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12
Q

The stem of a tree

A

Trunk

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13
Q

The protective layer on the outside of the trunk of a tree

A

Bark

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14
Q

The pArt that anchors the tree and draws water and minerals from the soil

A

Root

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15
Q

Layers of wood in the trunk; each one represents one year of the tree’s life

A

Annual rings

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16
Q

A tree with narrow leaves, or needles

A

Needleleaf tree

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17
Q

A tree that keeps its leaves throughout the year

A

Evergreen tree

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18
Q

A tree that produces seeds in cones

A

Conifer tree

19
Q

Why do a tree’s roots need to be as large as it’s crown?

A

To anchor the tree in the ground

20
Q

How can a river change the soil near a riverbank?

A

It can wash soil away or bring new soil

21
Q

Why are the trees annual rings wider during years with plenty of sunlight and water?

A

It shows how much they have grown

22
Q

A tree having flat, broad leaves and producing seeds

A

Broadleaf tree

23
Q

A tree that loses its leaves and is bare for a part of the year

A

Deciduous tree

24
Q

A plant structure that holds and protects seeds

A

Fruit

25
Q

A tree that produces acorns

A

Oak

26
Q

The fruit of an oak tree

A

Acorns

27
Q

A tree with toothed leaves that produces small, flat seeds encased in paper-like wings

A

Elm

28
Q

A tree with hand-shaped leaves that produces winged fruits

A

Maple

29
Q

A branchless tree or shrub; does not have annual rings or bark

A

Palm

30
Q

T or F - most broadleaf trees are deciduous

A

True - deciduous means to fall off

31
Q

T or F: Deciduous trees are evergreen

A

False - deciduous trees lose their leaves and are bare part of the year

32
Q

T or F: the leaf’s job is to hold and protect seeds

A

False - leaves make food for the entire plant

33
Q

Leaf-like structure that surrounds the base of a flowers petals; protects the flower’s bud

A

Sepal

34
Q

The colorful part of many flowers that attracts pollinators

A

Petal

35
Q

The center part of the flower that makes pollen

A

Stamen

36
Q

Yellow dust on flowers made by the stamens

A

Pollen

37
Q

The vase shaped center part of the flower that makes undeveloped seeds

A

Pistil

38
Q

The moving of pollen from a stamen to the pistil of the flower

A

Pollination

39
Q

Cells in the pollen produced by the stamen

A

Sperm cells

40
Q

What is the flower’s job?

A

To produce seeds

41
Q

Flowers that radiate from the disk of a composite flower

A

Ray flower

42
Q

Flowers that form a disk at the center of a composite flower

A

Disk flower

43
Q

Flowers made of a combination of many smaller flowers

A

Composite flower

44
Q

A plant that grows where it is not wanted

A

Weed