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questions & answers.
Q1.
How do the roots, leaves stem, and thorns of a cactus help it to survive in the dry, desert environment?
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answer not shownQ2.
Fill in the blanks.
The spreading of seeds in different ways is called ______________ ______________. Some plants produce ______________ instead of seed.
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seed dispersa, spores
Q3.
Briefly explain seed dispersal by wind, bursting, animals, or water. Include a diagram if you can.
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answer not shownQ4.
Choose the correct option.
- Plants usually lose water through their
- stem
- trunk
- roots
- leaves
- In order to climb trees, climbing plants have long
- twine
- fruit
- tendrils
- thorns
- These tree grow in swampy areas and their roots grow out of the water.
- rafflesia
- onion
- Venus flytrap
- mangrove
- This plant has a parachute of tiny hairs.
- dandelion
- cone
- sycamore
- cactus
- Deserts usually have these conditions.
- hot night/cold day
- cold night/hot day
- hot day/hot night
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- (d) leaves
- (c) tendrils
- (d) mangrove
- (a) dandelion
- (a) hot day/hot night
Q5.
Mark the sentences √ or x. Correct the mistakes and rewrite the sentences in your notebook.
- All plants produce seeds.
- Animals help to spread seeds.
- Mangroves grow well in the desert.
- A sycamore seed has hooks.
- A puffball contains spores.
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- ✓
- ✓
- x
Mangroves do not grow well in the desert. - ✓
- ✓






















































