Most of the plants on Earth are __________.
The transfer of pollen grains to the female part of the plant is called __________.
What are the three main parts of a seed?
|A)||pollen grain, sperm, and egg|
|B)||cone, zygote, and seed coat|
|C)||seed coat, stored food, and an embryo|
|D)||stored food, flower, and pollen grain|
Which one of the following reproductive structures would be found only in gymnosperms?
In gymnosperms and angiosperms, the egg is produced in a female structure called __________.
|A)||a pollen grain|
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 __________.
How is pollen transferred from the male cone to the female cone in pines?
|B)||by the wind|
Which one of the following is the male reproductive part of a flower?
A plant produces small flowers that do not have a strong odor and are not brightly colored. The plant probably is pollinated by __________.
In seed plants, sperm travel down a(n) __________ to reach the egg.
Why might a seed be covered in prickly hooks?
|A)||to keep it from being eaten|
|B)||to help in germination|
|C)||to aid in seed dispersal|
|D)||to attract insects|
Some seeds, like those in tomatoes and apples, are found inside __________ and pass through an animal's digestive system when they are eaten.
__________ is a series of events that results in the growth of a plant from a seed.
During germination, __________ in the cotyledons or endosperm of the seed is/are used for growth.