Part 7: Plants

Question 1

What is plant?

Answer 1

Multicellular organism, all photoautotrophs, contain chlorophyll, composed of cellulose

Question 2

Two types of plants

Answer 2

Vascular 
Have water transport system
Bring water up from the soil through the plant
Non-Vascular
ex. mosses
Absorb water across their surface

Question 3

What are their reproductive structures?

Answer 3

Both give off seeds, which separate into gymnosperms (cones) and angiosperms (seeds, reproductive structures)

Question 4

What are types of angiosperms?

Answer 4

Monocots (one seed leave)

Dicots (two seed leaves)

Question 5

What is the shoot system of angiosperms?

Answer 5

Stems, leaves, fruit, flowers, vascular tubes

Question 6

What do root systems of angiosperms do?

Answer 6

Takes up water and mineral, also releases carbohydrates and other molecules

Question 7

What are types of growth?

Answer 7

PRIMARY
Indeterminate
keeps growing as long as the plant lives
Determinant growth 
certain plants will only grow a certain size, fruits seeds
SECONDARY 
Lateral growth

Question 8

What are the plant tissues?

Answer 8

Meristematic cells
Protective tissue
Ground tissue
Vascular tissue

Question 9

What are meristematic tissues?

Answer 9

Self-replicating,
once finished dividing turn into other cells,
1. Apical meristem
contains melismatic tissue (tips of roots and shoots)
primary growth
2. lateral meristems
secondary growth (wider)
Types: 1, 2 vascular tissues (gives rise to secondary vascular tissues, involved in transport of fluids up/down)
3. Cork cambium
beneath epidermis
replaces epidermis with woody tissue

Question 10

What is protective dermal tissue?

Answer 10

Epidermis, has waxes on the surface, on top of waxes - cutin
Cutin and waxes together - cuticle
prevents infection, desiccation
One layer thick
contains myoplast (responsible for storage of starch)