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100
This is the only type of plant with flowers.
What are angiosperms?
100
These are the organs which absorb nutrients from the soil.
What are roots?
100
This is the ripened ovary.
What is a fruit?
100
This is the main organ in which plants will photosynthesize.
What is a leaf?
100

Ethylene is a hormone produced in fruits, flowers, and aging leaves that promotes:

Fruit ripening

200

______ have 1 seed leaves

Monocot

200
This is the waxy coating for a plant.
What is the cuticle?
200

_____ have 2 seed leaves

Dicots

200
This is the type of vascular tissue which sends water and sugars to the roots.
What is phloem?
200
This is made out of cork; non functioning phloem which protects a tree.
What is bark?
300

The _______ holds the reproductive organs of a plant

Flower

300
These cells open and close stomata.
What are guard cells?
300
This organ produces egg cells.
What is the ovule?
300

Angiosperms are flowering vascular plants that make up over ___% of the plant species on Earth.

80%

300
This enables a plant to grow stems upward and roots downward.
What is gravitropism?
400

The ovary eventually develops into the _______

Fruit

400
These organs produce pollen in angiosperms.
What are anthers?
400
This was the first type of non-swimming male gametes in plants.
What is pollen?
400
These organs take in carbon and oxygen.
What are stomata?
400
This is a plant hormone which stimulates growth
What are auxins?
500

carries pollen down to the ovary

The style

500

 female gametophyte in angiosperms is the

embryo sac

500
This is the part of the carpel that catches pollen by being sticky.
What is the stigma?
500
This element is vital to the synthesis of chlorophyll.
What is magnesium?
500

Cytokinins must travel up through the plant's _____ to reach target areas.

Xylem