8B - Plants and Their Reproduction

Question 1

5 kingdoms

Answer 1

Plants, animals, protoctists, prokaryotes, fungi

Question 2

Properties of plants

Answer 2

Cell walls of cellulose, multicellular, make their own food

Question 3

Ferns

Answer 3

Roots, xylem tissue (no flowers or cones)

Question 4

Mosses

Answer 4

Thin leaves that lose water (no roots or xylem)

Question 5

Conifers

Answer 5

Roots, xylem, needle-shaped leaves (no flowers)

Question 6

Flowering plants

Answer 6

Flower, roots, large and flat leaves, xylem tissue (no cones)

Question 7

Animals

Answer 7

No cell walls, multicellular, don’t make own food

Question 8

Fungi

Answer 8

Cell walls contain chitin, mostly multicellular, live on dead organisms

Question 9

Protoctists

Answer 9

Mostly unicellular

Question 10

Prokaryotes

Answer 10

No nucleus, unicellular

Question 11

Biodiversity

Answer 11

Habitats that contain many different species

Question 12

Why should we preserve this?

Answer 12

Organisms depend on each other, if one organism becomes extinct it will affect organisms from the same species

Question 13

Sexual reproduction

Answer 13

Includes two parents of the same species, one male gamete and one female gamete. Produces offspring that can reproduce too

Question 14

Advantages of S.R

Answer 14

More variety, greater resistance to disease

Question 15

Disadvantages of S.R

Answer 15

Takes more time, favourable could be lost

Question 16

Asexual reproduction

Answer 16

Only one parent, identical to parent

Question 17

Advantages of A.R

Answer 17

Quick, many individuals

Question 18

Disadvantages of A.R

Answer 18

Less variety (genetic)

Question 19

Pollination

Answer 19

When pollen grains are transferred to the stigma of another flower by animals, wind or water. Flowers have different structures depending on how they’re pollinated

Question 20

Insect pollinated

Answer 20

Petals, nectar, short filaments, sticky pollen in large quantities, small and sticky carpels

Question 21

What things does a seed need germination?

Answer 21

Warmth, water and oxygen

Question 22

What is photosynthesis?

Answer 22

Process in which plants make their own food

Question 23

Describe the process of photosynthesis

Answer 23

Plant gets energy from the Sun. Chloroplasts trap the energy and transfer it to glucose molecules which store it. Salts and minerals from the soil help the plant grow. Nitrogen, phosphorus and potassium

Question 24

Interdependence

Answer 24

When organisms depend on one another for e.g food, pollen, etc