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Science quiz 1
Plants,Roots,Stems
Term | Definition |
---|---|
A__________ is a large root that grows straight down. It is the largest root structure as the plants grow | taproot. |
What is a taproot? | A taproot is a type of plant root that grows straight down |
What is a fibrous root? | A fibrous root is a type of plant root that has roots that grow all over the place, underground. |
A plant's growth depends on its _________ and its __________. | DNA,enviroment |
When do seeds sprout? | When the conditions are right. |
What is another name for sprouting? | Germination |
What's responsible for the different shapes of plants? | The DNA |
What determines how fast the plant grows? | The DNA and the enviroment |
Tropism are ways that __________________________________ | plants change their direction in growth in response to their enviroment |
A growth ______ is a kind of chemical that effects the plants growth. These chemicals cause more ______ to grow and make the plant larger. | hormones, cells |
Gravitropism | the growth of a plant or plant part in the relation to the pull of gravity. |
Phototropism | the relation to the light/sunlight. |
Thigmotropism | is the response towards the closest object. |