chapter 7 Adaptation of Plants in Different Habitats

An adaptation that helps the plant in the diagram live in the desert is ___

• wide, flat leaves to catch water

• thin, spiny needles

• bright green color

• tall stems

What is it called when a plant or animal has a trait that helps it survive in a specific environment?

• instinct

• camouflage

• mimicry

• adaptation

Leaves of underwater plants do not have stomata. One example of such a plant is....

• Lotus

• Hydrilla

• Hyacinth

• Water lettuce

Adaptive features of leaf for Lotus plant:

• Waxy layer to protect it from rotting in water

• Broad leaves to help it float

• Stomata on the top surface of the leaf

• All of the above

This plants are live in a habitat that is hot and dry with minimum presence of water

• Halophytes

• Xerophytes

• Hydrophytes

• Mesophytes

Why don't stems of aquatic plants get damage by water?

• Because they are woody

• Because they have thorns

• Because they are flexible and light weight

• Because they have cones

Identify the plant and state what kind of aquatic plant is it:

• lotus, Fixed plant

• Water lettuce/ Floating plant

• Hydrilla, underwater plant

Which of the following is correct to describe mesophytes

• Plants that live in a habitat that is not too dry nor too wet with an adequate supply of water

• Plants that live in aquatic habitats, either on the water surface or submerged in the water

• Plants that live in swampy habitats at the river mouth, the meeting point of fresh water and seawater

• Plants that live in a habitat that is hot and dry with a minimum presence of water, that is, a place with very high temperature

Which is the correct answer to describe the adaptation of a mangrove tree?

• Leaves have cuticle and sunken stomate to reduce the rate of transpiration

• Has breathing roots for gaseous exchange

• Leaves are succulent leaves to store water

• All of the above

Which of the following is correct to describe the plant in the picture?

• Plant roots are fibrous roots

• Plant roots have pores called lenticels

• Plant roots grow widely and can penetrate deep into the soil

• Plants have tap root