Question | Answer |
What are the three main structures in most plants? | Roots,stems, leaves |
What are two ways to classify plants? | By their leaves and seeds |
What do plants needs to stay alive? | Sunlight, water, carbon dioxide and oxygen |
How to plants get water and food? | They take in water through roots and make own food by using carbon dioxide and the energy from sunlight. |
How do roots help plants to stay alive? | They take up water and nutrients from the soil and anchor the plant to the soil |
What function does the stem perform? | It moves water food and nutrients throughout the plant |
Why do most trees have woody stems instead of nonwoody stems? | Because woody stems are hard and do not bend and can suppot larger plants. |
What is the name of the process that plants use to make food? | Photosynthesis |
Where does photosynthesis take place? | The leaves of a plant |
What are three things plants need to make food? | energy from sunlight, water and carbon dioxide |
How do chloroplasts make food for plants? | Chloroplasts take in energy from sunlight and combine water and carbon dioxide to make plant sugars |
Why does a plant need both photosynthesis and respiration to survive? | Plants need photosynthesis to produce food in the form of sugars. A plant needs respiration to break down sugars in order to release engergy stored in the sugars |
How are mosses differentfrom most plants | They do not have roots,stems and leaves. They grow on the ground and do not have seeds |
How do mosses and ferns reproduce? | With spores |
What do spores need to grow? | Light,water and nutrients |
What is a spore | A cell in a seedless plant that can grow into a new plant |