biology ch 24 prentice hall
Terms
undefined, object
copy deck
- A gamete
- is a reproductive cell that can produce a new individual only after fusing with a gamete of the opposing mating type
- Alternation of generations
- when the organism alternates between different phases, this pattern of reproduction is called:
- Bryophytes means
- moss plants
- Define rhizoids
- thin filaments that absorb water and nutrients from the soil
- Mosses are?
- the most widespread bryophytes
- What is required for fertilization of the sperm and egg of the moss gametophytes?
- standing water so that the sperm can swim to the eggs.
- Types of bryophytes
- Mosses-most widespread and hornworts and liverworts
- What are vascular plants?
- plants with tracheids that draw water from deep in the ground and carry it to great heights.
- What are tracheids
- specialized cell which conduct water, they are hollow, have thick cell walls to resist pressure and are connected end to end like a series of drinking straws
- define rhizomes
- well developed underground stems
- Define fronds
- large leaves
- What is the sporophyte in the ferns life cycle?
- The large visible plant
- Describe the life cycle of the fern
- characteristic pattern of alternation of generation of diploid (2n) sporophytes and haploid (n) gametophytes
- What enables bryophytes to absorb water and nutrients from the soil?
- rhizoids
- Moss sperm and eggs form a zygote that grows into a?
- capsule