1. Unit 5: __________ What are Plants? Roots, Stems, and Leaves
Reproduction in Flowering Plants

2. Plant Characteristics
Plants come in all sizes, from the ___________________which grows to only about 10 mm in length, to the giant __________which grows to about ___________ in height.

3. Despite their great ___________, all plants share the following characteristics:
___________________________ ___________________________ ___________________________
Plants have eukaryotic cells with ____________________.
Plants have a cuticle.

4. ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________

5. Plant Classification
Classification in the ____________________ is based on the _________________ or absence of ____________________ ____________________.

6. _________________________________are divided into two groups—those that produce ___________ and those that do not.
Plants that produce seeds are divided into __________________ and _____________________.
Examples of plants that have ______________are ferns, ________________, and horsetails.

8. Plant Evolution
Because plants are ____________ in many ways to _____________________, scientists think that both may have originated from an _______________________ of green algae.

9. The first ________________ of plants show up in the fossil record during the late __________________ Period—about _________ million years ago.
Plants started out _______________________, an ideal environment that _____________________and transported _______________.
As Earth’s __________________ changed, plants had to __________ to life on land.

11. Non-Vascular Plants
The non-vascular plants include the ____________ and __________________.
These are small, _____________usually found in __________ locations.

12. The ____________________of nonvascular plants shows an ______________ of __________________.
Mosses and liverworts need ______________________the ___________ to the eggs for _____________________.

13. The _____________________of a liverwort looks like a tiny palm tree.
The body of the __________________ stage is leafy and flattened.
________________ are root-like growths that extend from beneath the body and _________________ the plant.

14. ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________

15. Seedless ________________ Plants
The seedless vascular plants include ____________, club mosses, and ____________________.

16. The form of a fern is the __________________.
Ferns have an _______________ stem called a _____________ from which the fronds unfurl.
Young fronds are ______________________ and are called ______________________.

17. ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________

18. Like ______________________, ferns need water to transport _______________to _______________.

19. ___________________________with Seeds
A seed is a structure that contains a __________________ and a supply of food inside a ____________________ ___________________.

20. ______________________ are a group of vascular plants whose _______ are housed in _____________.
______________________, also known as _________ _____________, produce seeds within a _________.

22. More About Seed Plants
Gymnosperms include ________________, cycads, and gingkoes.
A gymnosperm called the _________________is the _________________ living ___________________ on Earth.

23. ________________ are divided into two classes- _____________ and ___________.
A ______________ is an embryonic leaf found inside of a ___________.

24. ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________