Gymno Angio Seeds

Question 0

What are gymnosperms leaves covered with?

Answer 0

Waxy cuticle

Question 1

What types of leaves do gymnosperms have?

Answer 1

Thin, needle-like leaves

Question 2

What are gymnosperms adapted to?

Answer 2

Harsh environments

Question 3

What type of tissue do gymnosperms have?

Answer 3

Vascular and meristem tissue

Question 4

Explain alternation of generations for male cones

Answer 4

Pollen grains (n) are produced in spores by meiosis. Each pollen grain contains a male gametophyte called a microspore

Question 5

Explain alternation of generations in female cones

Answer 5

Ovules produce haploid spores by meiosis. Develop into female gametophyte called a megaspore.

Question 6

Define epidermis

Answer 6

Forms the waxy cuticle

Question 7

Define parenchyma

Answer 7

Tissue that has many roles such as water and food storage, photosynthesis, heals wounds, and regenerates plant parts

Question 8

Define xylem

Answer 8

Moves materials up. Carries water and minerals to the leaves mainly dead

Question 9

Define phloem

Answer 9

Moves materials down. Transports food throughout the plant. Mainly living

Question 10

List 4 ecological roles of gymnosperms

Answer 10

Removes carbon dioxide
Food and shelter for animals
Controls flooding by uptake of water through roots
Roots prevent topsoil erosion

Question 11

List 3 economic roles for gymnosperms

Answer 11

Provide 85% of the wood used for furniture and construction
Pulp and paper
Varnish, turpentine, disinfectants, fuels, and medicine

Question 12

Explain alternation of generations of gymnosperms

Answer 12

A pine tree produces 2 types of spores in 2 kinds of cones, male and female cones. In male cones, the spore mother undergoes meiosis and produces haploid microspores, which develop into pollen grains, each containing