Classification and Marine Plants

Question 1

Name the 3 Domains

Answer 1

Archaea
Bacteria
Eukarya

Question 2

Define Archaea

Answer 2

Single-celled organisms that are distinct from bacteria and often found in extreme environments.

Question 3

Define Bacteria

Answer 3

Single-celled organisms that are ubiquitous and can be found in various environments.

Question 4

Define Eukarya

Answer 4

Organisms with complex cells, including protists, fungi, plants, and animals.

Question 5

Name all 5 Kingdoms

Answer 5

Animals
Plants
Fungi
Monera
Protista

Question 6

Which 2 domains are included in the Prokaryotes?

Answer 6

Archaea & Bacteria

Question 7

Difference between Prokaryote and Eukaryote

Answer 7

Eukaryotes possess a membrane bound Nucleus whilst Prokaryotes do not.

Question 8

What is the oldest recorded lifeform?

Answer 8

Stromatolites

Produced by cyanobacteria (photosynthetic
prokaryotes) binding to sand particles

likely that single celled prokaryotes existed up to 4 bya

Question 9

How long did Prokaryotes inhabit Earth alone, and what important task did they undertake?

Answer 9

nearly 2.5 billion years, oxygenating sea and atmosphere

Question 10

Difference between Monera and Protista

Answer 10

Monera have no membrane bound organelles, are unicellular

Protista has mem bound organelles, mostly unicellular but some multicellular/colonial

Question 11

Difference between Autotroph and Heterotroph

Answer 11

Autotrophs can make their own food by converting CO2 into organic compounds, Heterotrophs must consume other organisms or organic matter as a food source.

Question 12

What is a main specialism of phototrophs that causes marine zonation between species?

Answer 12

Specialism in certain wavelengths of light that penetrate differing Depths

Dependent on the pigmentations within them, Chlorophyll a, Chlorophyll b, and Carotenoids

Question 13

Which type of plant is most common in Marine Environment, Vascular or non?

Answer 13

Non-Vascular.

Question 14

Which Vascular Plant majorly benefit sediment accretion on some coastlines?

Answer 14

Mangroves

Question 15

What is the term for the dominant plant type in Saltmarshes that are salt-tolerant?

Answer 15

Halophytes

Question 16

Define a Saltmarsh

Answer 16

Intertidal wetlands on soft-sediment environments, with low-growing, herbaceous (non-woody stem) vegetation.

Question 17

What species of saltmarsh plant is similiar to Marram Grass in its ability to improve saltmarsh succession?

Answer 17

Cordgrass