Unit 2 Lesson 1

Life Cycles and Traits of Plants

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Unit 2 Lesson 1 Review

to grow from a seed to a young plant

​​germinate

how an organism grows and reproduces

​​life cycle

to make more of an organism's own kind

reproduce

when a plant spreads its pollen from male to female parts so it can grow fruit

​​pollination

Match

Match the following

• to make more of an organism's own kind

• to grow from a seed to a young plant

• to spread pollen from male to female plant parts to produce fruit

• the stages of how an organsim grows and reproduces

reproduce

germinate

pollination

life cycle

• reproduce

• germinate

• pollination

• life cycle

Conifers (like pine trees) keep their seeds inside a pine cone. They usually spread their pollen using the wind when the pine cones break open and the seeds blow away. Males produce the pollen and females produce the seeds.

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Some plants do not have flowers

Labelling

Label the parts of the plant

Drag labels to their correct position on the image

roots

flower

leaf

stem

​Plants produce about 30% of the oxygen found on Earth. Without plants, oxygen breathing animals would likely suffer mass extinctions.

oxygen

Plants provide the basis for all food. Even if an animal is strictly a meat eater (carnivorous), the animals that it eats are probably plant eaters (herbivores).

food

If plants could not reproduce, then life on Earth would likely come to an end. Food chains and food webs all start with animals that eat plants to survive.

more plants

​We need plants for...

Multiple Choice

Life on Earth could probably survive without plants

• True

• False

​The features or characteristics of a living thing such as root depth, stem length, flower color, or leaf shape and size.

traits

Traits that come directly from an offspring's parents such as flower petal color.

inherited traits

Traits that make an offspring look a little different than their parents such as the 4-leaf clover hiding in this bunch of 3 leaf clovers.

variation

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Multiple Select

If the parent plants are tall with deep roots and short with shallow roots, what are all of the possibilities for their offspring? (Mark all that apply)

• tall with deep roots

• short with shallow roots

• tall with shallow roots

• short with deep roots