Show:
1: Plant Life Cycles
2: Reproduction in Flowering Plants
3: Seed Dispersal & Germination
4: Asexual Reproduction
5: Plant Hormones & Responses
100
In the alternation of generations, spores divide by mitosis and grow into what?
What are gametophytes?
100
The outer layer of a flower is made up of modified leaves that protect the flower. These leaves are called what?
What are sepals?
100
What is the function of fruit in flowering plants?
What is to help disperse seeds?
100
Growth of a new plant from part of a stem, leaf, or root that has fallen off is known as what?
What is regeneration?
100
What is the role of all plant hormones?
What is regulate plant functions?
200
Fertilization produces a diploid zygote that divides by mitosis and grows into a what?
What is a mature diploid sporophyte?
200
What is the part of a flower in which female gametophytes are produced?
What is the ovary?
200
Burrs are fruits that are usually dispersed by what?
What are animals?
200
What is the production of new individuals from stems, leaves, or roots attached to the parent plant called?
What is vegetative reproduction?
200
Which type of plant hormone causes fruit to ripen?
What is ethylene?
300
In which group of plants is the gametophyte phase dominant?
What is nonvascular plants?
300
Flowers pollinated primarily by the wind tend to produce large amounts of what?
What is amounts of pollen?
300
When a plant embryo inside a seed has stopped growing, the seed is said to be in a state of what?
What is dormancy?
300
Some plants reproduce using horizontal underground stems called ______?
What are rhizomes?
300
What is the movement of a plant in response to an environmental stimulus called?
What is tropism?
400
In ferns, fertilization occurs when sperm do what?
What is swim through water to an egg?
400
What is the food supply for a developing plant embryo?
What is the endosperm?
400
Under what conditions will a seed begin to grow?
What is when environmental conditions are favorable?
400
Humans often create new houseplants such as African violets by using this method.
What are cuttings?
400
Thigmotropism is a plant’s response to what?
What is touch?
500
What is the mature sporophyte of a conifer?
What is a pine tree?
500
What is the mature ovary of a flower called?
What is a fruit?
500
What happens during germination?
What is, "An embryo grows into a seedling"?
500
What do growers do to produce a tree by grafting?
What is "They join structures from two or more trees together."?
500
What is a plant’s response to changes in the length of day and night called?
What is photoperiodism?