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Unit 6 review
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After fertilization of an angiosperm seed, what does the ovary become?
Fruit!
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How do stolons grow? An example?
These are stems that grow parallel to the ground. They can grow roots and produce a new plant. Example: strawberry
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What are the four types of asexual production?
Tubers, Stolons, Bulbs, Rhizomes
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What is Geotropism?
Gravity stimulus. The root grows towards gravity and the stems grow away from it.
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What happens inside of leaves? (Hint: 2 Things)
Where photosynthesis occurs and capture of carbon dioxide
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What does the stomata do?
Microscopic holes where carbon dioxide and water vapor and move in and out.
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What does are the duties of the stem. (Hint: 3 things)
Supports the plant. Vascular tissues pass through it. Stores substances.
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What are the stamens?
These produce the male gamete in flowers.
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What is the green pigment inside chloroplasts?
Chlorophyll
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What do stamens in a flower produce?
Pollen grains.
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What do angiosperms have that gymnosperms don't?
True flowers and fruit.
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What is Thermonasty?
The stimulus is temperature. Some flowers open their petals when the temperature rises and close them when it decreases.
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What are two examples of a gymnosperm?
Stone pine, prickly juniper, fir
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The stimulus is a chemical substance, such as water. When there is no water, plants close their stomata to prevent the loss of water vapour.
Chemonasty
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How does pollination occur in angiosperms?
Pollen is carried from the stigma of one flower to the stigma of another by the wind or animals.
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What are the four nastic movements?
Photonasty, Seismonasty, Chemonasty, Thermonasty
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What is raw sap made of?
Mix of water and mineral salts.
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What is Thigmotropism?
Physical contact stimulus. Some plants wind their stems around an object.
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What are the four different tropic movements?
Phototropism, Geotropism, Hydrotropism, Thigmotropism
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Where are seeds formed inside of gymnosperms?
Cones
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What is the pistil?
Part of a flower that produces female gametes.
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Where does fertilization occur in gymnosperms?
Female Cones
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Light stimulus. Some flowers open during the day, in sunlight, and close at night.
Photonasty
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What are the duties of the roots? (Hint: 3 things)
Roots fix the plant to the soil, they absorb water and mineral salts, can store substances.
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What is Seismonasty?
This is a sudden response to tactile stimulus. For example, the response of the carnivorous plant when an insect touches it.
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What do vascular tissues do?
Transport the sap around the plant.
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Water stimulus. The roots grow in search of water or humid areas. .
Hydrotropism
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How do bulbs grow? An example?
These are underground stems inside fleshy leave. The leaves store nutrients. Each bulb can produce a new plant. Example: Onions
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How do rhizomes grow? An example?
These are underground stems. They can produce new plants. The lily & ginger is an example.
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Plants take in water and mineral salts through the ___________ ___________ in their roots.
absorbent hairs
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True or False: Male and female cones cannot be on the same plant.
False
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How is elaborated sap transported?
Along vascular tissues, called phloem vessels.
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How do tubers grow? An example?
These are thick underground stems. They store nutrients and can produce a new plant. Example: potato
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What's the difference between tropic and nastic movements?
Tropic movements create a permanent change and nastic movements are temporary change.
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How does pollination happen in gymnosperms?
pollen from male cones is carried by the wind to female cones.
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What is elaborated sap?
Mix of water and organic matter produced during photosynthesis.
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This is a stimulus to light. The stems grow towards the light and the roots grow away from it.
Phototropism
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