What are the three main parts of a seed?
|A)||cone, zygote, and seed coat|
|B)||seed coat, stored food, and an embryo|
|C)||pollen grain, sperm, and egg|
|D)||stored food, flower, and pollen grain|
What special types of cells are produced during the gametophyte stage of a plant's life cycle?
Why can't you go to a garden store and buy fern seeds?
|A)||Fern seeds are very rare.|
|B)||Fern seeds must stay moist.|
|C)||Fern seeds are too small to package.|
|D)||Ferns do not produce seeds.|
Why might a seed be covered in prickly hooks?
|A)||to attract insects|
|B)||to aid in seed dispersal|
|C)||to keep it from being eaten|
|D)||to help in germination|
In gymnosperms and angiosperms, the egg is produced in a female structure called __________.
|D)||a pollen grain|
Spores are produced during the __________ stage of a plant's life cycle.
What is the gametophyte plant of a fern called?
Sexual reproduction in plants, as in all organisms, requires__________.
|A)||only a female|
|B)||only a male|
|C)||only small parts of the plant|
|D)||a male and female|
If someone gives you a plant and tells you that it is an angiosperm, you know that sometime during its life cycle it will produce __________.
Some seeds, like those in tomatoes and apples, are found inside __________ and pass through an animal's digestive system when they are eaten.
The transfer of pollen grains to the female part of the plant is called __________.
In fern plants, spores are produced in structures called _________.
__________ is a series of events that results in the growth of a plant from a seed.
The production of new plants from underground stems is an example of __________ reproduction.
A plant produces small flowers that do not have a strong odor and are not brightly colored. The plant probably is pollinated by __________.
One difference between sexual reproduction in plants and animals is that in plants, sex cells __________.
|A)||unite to form a zygote|
|B)||are produced in structures made of haploid cells|
|C)||are called sperm and egg|
|D)||join in a process called fertilization|
Which one of the following reproductive structures would be found only in gymnosperms?
Which one of the following is an example of a nonvascular seedless plant?
Which one of the following is the male reproductive part of a flower?
In seed plants, sperm travel down a(n) __________ to reach the egg.