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Ch.2 Plants and environment & Ch.4 Biological interdependence (Book 5)

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Ch.2 Plants and environment & Ch.4 Biological interdependence (Book 5)
 

Crossword Puzzle

Ch.2 Plants and environment & Ch.4 Biological interdependence (Book 5)Online version

Fill in the blanks

by Christine
1

It shows the feeding relationships among living things.

2

Animal waste, and dead animals and plants break down to become ____ for plant growth.

3

This natural environment has large temperature between day and night with low rainfall.

4

______ roots absorb oxygen from the air.

5

______ roots support trees that grow very tall to get more sunlight.

6

Animals breathe in oxygen and breathe out carbon dioxide during ______.

7

_____ plants grow by twining their stems around trees to reach more sunlight.

8

_____ roots spread over a wide area to absorb more water

9

The stems of lotuses have ______ to facilitate gases exchange.

10

Changes in the number of a species can upset the ________ of nature.

11

Never buy products made from _____ species is a way to protect the ecosystem.

12

If the number of the primary consumer (e.g. caterpillar) in a food chain increases, the number of producer (e.g. grass) will ______.

13

The producer of a food chain is generally ________.

14

The thick stems of cacti help store ______.

15

Being poisonous and have spikes are some features that plants have to _______ themselves.

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