Unit 4

Question 1

Taxonomy

Answer 1

The classification of the species within living organisms by describing the domain, kingdom, phylum, class ,order, family, genus and species.

Question 2

Binomial Nomenclature

Answer 2

The two-part Latin name given to each species comprising the genus followed by the species.

Question 3

Producer

Answer 3

Organisms that produce biomass from inorganic compounds; in almost all cases these are photosynthetically active organisms.

Question 4

Photosynthesis

Answer 4

The process of using light energy to synthesize glucose from carbon dioxide and water to produce chemical energy.

Question 5

Plankton

Answer 5

1) microscopic free floating marine organisms

2) they are the base of the entire marine food web

3) some convert sunlight into energy with photosynthesis

4) plankton can be plants or animal, bacteria or viruses; they can live in fresh or salt water

5) plankton are not visible to the naked eye but you can tell if there are a lot by how turbid (cloudy) the water is.

Question 6

Consumer

Answer 6

An animal which feeds on other organisms to gain energy from food.

Question 7

Echinoderm

Answer 7

A marine invertebrate group with pentaradial symmetry and tube feet.

Question 8

Crustacean

Answer 8

A marine invertebrate group with a hard exoskeleton, ten jointed legs and a nauplius larval stage.

Question 9

Bony Fish

Answer 9

Fish that have a bony skeleton and belong to the class Osteichthyes.

Question 10

Operculum

Answer 10

A thin bony flap of skin covering and protecting the gills.

Question 11

Gills

Answer 11

The gaseous exchange surfaces of fish.

Question 12

Swim Bladder

Answer 12

A buoyancy organ found in bony fish.

Question 13

Cartiliginous Fish

Answer 13

Fish that have jaws and skeletons made only of cartilage and belong to the class Chondrichthyes.

Question 14

Chordate

Answer 14

Animals that have a backbone.

Question 15

Macrolaga

Answer 15

Marine producers such as kelp and seaweeds.

Question 16

Rhizome

Answer 16

A horizontal underground structure that enable seagrasses to reproduce asexually.

Question 17

Dichotomous Key

Answer 17

A tool used to identify creatures based on physical appearance.

Question 18

Phytoplankton

Answer 18

Producers that obtain energy through photosynthesis

They drift with currents on the surfaces waters (photic zone) of the oceans.

-responsible for most of the primary production in the marine environment

Question 19

Zooplankton

Answer 19

consumers that eat producers or other consumers

Provide a critical link in food chain between the primary producers and larger consumers

(larvae, copepods, and jelly fish)

They migrate vertically in the water column each day to feed on phytoplankton in the photic surface layer.

Question 20

Types of phytoplankton

Answer 20

diatoms, dinoflagellates, cyanobacteria (blue-green algae)

Question 21

Copepods

Answer 21

-Crustaceans

-The most abundant type of zooplankton

-exoskeleton is made of calcium carbonate