Aquatics unit 7 PT

Question 1

Salmon lay their eggs in _____.

Answer 1

freshwater

Question 2

In which TWO ways are echinoderms unique (different)?

Answer 2

They possess a water vascular system.

They possess suction cups on the tips of their appendages.

Question 3

Some examples of invertebrate chordates are ____.

Answer 3

sea squirts and lancelets

Question 4

What is regeneration?

Answer 4

the ability to grow new body parts when one or more get destroyed or damaged

Question 5

Diatoms can be found in ____.

Answer 5

insulation
toothpaste
silver polish

Question 6

An example of a floating plant can be _____.

Answer 6

hyacinth
duckweed
watercress

Question 7

What does a preening gland do?

Answer 7

It secretes wax and fats onto their feathers.

Question 8

refers to protists that carry out photosynthesis

Answer 8

algae

Question 9

____________ developed the current taxonomy system.

Answer 9

Carl Linnaeus

Question 10

What is true about the counter-current exchange?

Answer 10

The arteries in birds that live in very cold water are next to the veins in the feet, this allows their blood to be heated before it gets to their heart.

Question 11

Some examples of echinoderms are ____.

Answer 11

sea cucumbers, sea lilies

starfish, sand dollars, sea urchins

Question 12

What does amphibian mean?

Answer 12

double life

Question 13

All mammals are ___________.

Answer 13

endothermic

warm-blooded

Question 14

You can tell what a bird eats by looking at its _______.

Answer 14

beak

Question 15

Some examples of crustaceans are _____.

Answer 15

crabs and lobsters

shrimp, barnacles, and crayfish

Question 16

What is macrobenthos?

Answer 16

benthos that are larger than one millimeter

Question 17

Some echinoderms feed off dead and decaying matter. This dead and decaying matter is called ____________.

Answer 17

detritus

Question 18

What is physiology?

Answer 18

Physiology is the branch of biology that deals with body systems.

Question 19

What are cephalopods?

Answer 19

have a distinctive head and tentacles

mollusks that do not possess shells

Question 20

What is taxonomy? Why is it important?

Answer 20

the science of classification

It helps scientists identify all of earth’s species.

Question 21

What are phytoplankton?

Answer 21

refers to protists that carry out photosynthesis

also known as algae

Question 22

Some examples of plantlike protists are ____.

Answer 22

dinoflagellates
diatoms
euglenoids

Question 23

_____ can be used to classify organisms through schematic and word _____ keys.

Answer 23

Taxonomy; Dichotomous

Question 24

_____________ have leaves that can excrete salt.

Answer 24

Mangroves

Question 25

When ____________ multiply rapidly in a short period of time, “red tides” will occur due to the amount of poison in the water.

Answer 25

dinoflagellates

Question 26

_____________ are jawless fish.

Answer 26

Agnathans

Question 27

Sea anemones and corals only exist in the ____________ form.

Answer 27

polyp

Question 28

Sharks and rays reproduce through _____.

Answer 28

internal fertilization

Question 29

Turtles are exothermic, what does this mean?

Answer 29

cold-blooded

Question 30

Animal-like protists that feed off other organisms are also called ____.

Answer 30

zooplankton

Question 31

feather-like slits that take in oxygen from the water and release carbon dioxide

Answer 31

gills

Question 32

What is fragmentation?

Answer 32

the process of asexual reproduction in which a piece of the organism breaks off, forming a new organism

Question 33

thin, bony plates that are formed from the skin of fish

Answer 33

scales

Question 34

What are flippers?

Answer 34

modified appendages designed for swimming

Question 35

Most of the fish in the world belong into the osteichthyes class, they are also called _____.

Answer 35

bony fish

Question 36

_____________ are only found in cooler climates.

Answer 36

Brown algae

Question 37

_____________, like seals, are able to live both on land and in the water.

Answer 37

Pinnipeds

Question 38

An example of gastropods can be:

Answer 38

abalones and conches

sea slugs and snails

Question 39

______________ are sessile, filter feed and are able to regenerate.

Answer 39

Sponges

Question 40

_________ are both plant and animal like.

Answer 40

Euglenoids

Question 41

______________ are able to stay under water for long periods of time because once their lungs are filled with air, they close their blowholes and collapse their lungs.

Answer 41

Cetaceans

Question 42

fan-shaped membranes that help fish maintain balance, move, and steer themselves

Answer 42

fins

Question 43

What do marine mammals have in order to maintain their body temperature?

Answer 43

blubber

Question 44

What are mollusks?

Answer 44

have soft, unsegmented bodies
one type of invertebrate who are classified as nekton
possess a shell, which protects their soft bodies from harm

Question 45

What are plants?

Answer 45

multicellular, eukaryotic organisms
part of the kingdom Plantae
have roots, stems, and leaves

Question 46

Echinoderms have _______ symmetry in the larvae stage and ______ symmetry as adults.

Answer 46

bilateral; radial

Question 47

What are some characteristics of sponges?

Answer 47

are simply made up of two layers of cells with a jelly like substance in between
reproduce both sexually and asexually
asymmetrical organisms that come in all shapes, sizes, and colors
are sessile and have skeletons
don’t have tissue, organs, or organ systems
are able to regenerate

Question 48

What is sessile?

Answer 48

permanently attached to one spot

Question 49

The majority of oil deposits come from _____.

Answer 49

cyanobacteria

Question 50

Bivalve mollusks have ____ shells, while gastropods have ___.

Answer 50

two; one

Question 51

What is meiobenthos?

Answer 51

benthos that are between one-tenth and one millimeter in size