CLAUDE should know for exam 3

The haploid gametophyte stage produces_____ through _____.

haploid gametes, mitosis

The diploid sporophyte stage produces _____ through _____.

haploid spores, meiosis

Which of the following is NOT an advantage to the first terrestrial plants?

Water-dependent reproduction

In nonvascular plants, the _____ stage is dependent on the _____ stage

porophyte is dependent on the gametophyte

Which adaptation protects spores and pollen from desiccation?

Sporopollenin

Microsporocytes are diploid. They produce _____ via _____ that will undergo _____ to produce pollen.

4 haploid microspores, meiosis, mitosis

The male gametophyte consists of which two cells?

Generative cell and pollen tube cell

Which describes the process of conifer fertilization?

pollen lands → pollen tube cell germinates → generative cell produces 2 sperm → 1 sperm fuses with egg → diploid embryo → mitosis → new sporophyte

Which of the following is NOT true regarding gymnosperms?

They are pollinated by wind and animals

Which statement best describes angiosperm double fertilization?

1 sperm + egg = zygote; 1 sperm + polar nuclei = triploid endosperm

Parallel leaf venation and fibrous roots are characteristic of:

Monocots

Which tissue performs photosynthesis?

Ground tissue

Root zones listed bottom to top

→ zone of elongation → zone of maturation. Using a diagram, identify which lettered zone is elongation (middle zone)

A cross section of a leaf shows a loosely packed, irregularly shaped layer below a tightly packed columnar layer. The loosely packed layer is:

Spongy parenchyma

Which part of the flower forms the fruit?

Ovary