Marine flowers

Question 1

What’s fragmentation ?

Answer 1

Asexual reproduction in which the thallus breaks into pieces which produce new algae

Question 2

What’s drift algae ?

Answer 2

Huge accumulation of seaweeds formed by fragmentation

Question 3

How are haploid spores formed ?

Answer 3

Formed in an area of the thallus through meiosis

Question 4

Can seaweed sexually reproduce ?

Answer 4

Yes

Question 5

What happens in seaweed sexual reproduction ?

Answer 5

Gametes fuse to form a diploid zygote

Question 6

What stage is gametophyte (haploid ) ?

Answer 6

Stage of life cycle that produces gametes

Question 7

What’s gametagonia ?

Answer 7

Structures where gametes are typically produced

Question 8

What’s alternation of generations ?

Answer 8

The possession of 2 or more separate multicellular stages in succession

Question 9

Seaweed have what two types of reproduction ?

Answer 9

Asexual and sexual

Question 10

What does phloem do ?

Answer 10

Vessel that moves nutrients and water down the plant

Question 11

What does xylem do ?

Answer 11

Vessel provides support

Moves water and minerals up the plant

Question 12

Why do plants need vascular tissue ?

Answer 12

Allows plants to have larger movements allowing them to evolve to being larger

Question 13

How do seed plants reproduce ?

Answer 13

Use seeds

Question 14

What is a seed ?

Answer 14

Structure containing embryonic plant and supply of nutrients surrounded by a protective outer layer

Question 15

How many types of seed plants are there ?

Answer 15

2 types

Question 16

What’s re the two types of seed plants ?

Answer 16

Canifers and flowering plants

Question 17

What type of seed plant is found as a marine plant ?

Answer 17

Flowering plants ( bear seeds in fruit )

Question 18

Are marine plants salt tolerant ?

Answer 18

Yes

Question 19

Marine plants are ____ .

Answer 19

Halophytes

Question 20

What structure do marine plants have, what do they do?

Answer 20

Stems ( internode separated by nodes )
Roots ( anchors plant, develops action with bacteria to use nitrogen )
Leaves ( from vertical stem )

Question 21

What’s the horizontal stem called ?

Answer 21

Rizomes

Question 22

Marine plants are found how deep ?

Answer 22

90m

Question 23

Does sea grass flower ?

Answer 23

Yes, pollen moved by waves

Question 24

Sea grass communities are ____ and _____

Answer 24

Complex and essential

Question 25

Sea grass is important in ?

Answer 25

Coral reefs

Question 26

What types of fish use sea grass communities ?

Answer 26

Young baby fishes

Question 27

What affects the productivity of sea grass communities ?

Answer 27

- extraction nutrients from the mud | - the algae

Question 28

What grows on sea grass leaves ?

Answer 28

Algae and invertebrates

Question 29

How do invertebrates use sea grass ?

Answer 29

Scratch against it for nutrients

Question 30

What happens when sea grass leaves die ?

Answer 30

Bacteria breaks it down | Carbon and nitrogen goes to the ecosystems

Question 31

Does the sea grass community have outside input ?

Answer 31

Yes

Question 32

What do shark do in sea grass beds ?

Answer 32

Eat invertebrates

Question 33

Where’s turtle grass found ?

Answer 33

North Carolina

Question 34

What grows on sea grass ?

Answer 34

Epiphytes

Question 35

What fish hide in sea grass ?

Answer 35

Pipefish

Question 36

What organisms feed on sea grass ?

Answer 36

Green sea turtles | Manatee

Question 37

Dugong eats what?

Answer 37

Sea grass

Question 38

Does sea grass get destroyed by pray ?

Answer 38

No once eaten it can grow back as long as roots are not pulled out

Question 39

How longs the Indian river lagoon ?

Answer 39

250km in length

Question 40

How does transport take place in sea grass ?

Answer 40

Gases travel using aerenchyne. This is a gas filled tissue with spaces / pores which prevent breakage. Provide buoyancy

Question 41

Name a marine plant called s____ _____

Answer 41

Salt marshe

Question 42

What effects distribution of salt marshe plants ?

Answer 42

Controlled by small changes in elevation as This controls how long the plant is in salt water when the tide travels in

Question 43

What does small elevation change affect ?

Answer 43

Which species of grass predominates