Semester Two Day Two Science Exam Review

Question 1

What do all annelids have in common. Give two examples

Answer 1

They all have long round bodies with segments

Leeches, earthworms

Question 2

What do all mollusks have in common

Answer 2

They all have a mantle, a foot, and visceral mass

Question 3

Three types of mollusks and an example of each

Answer 3

Gastropoda-snail
Bivalvia-clam
Cephalopoda-squid

Question 4

What do all Arthropoda have in common

Answer 4

Jointed legs, exoskeleton, and distinct body segments

Question 5

Four types of Arthropoda and an example for each

Answer 5

Myriapoda-centipede
Insect-lady bug
Crustacean-crab
Arachnid-spider

Question 6

Exoskeleton vs endoskeleton

Answer 6

Exoskeleton-body support and protection on outside of body(armor)
Endoskeleton-body support and protection on inside of body(frame of house)

Question 7

What does echinodermata mean

Answer 7

Spiny skin

Question 8

What do all echinodermata have in common. Give two examples

Answer 8

They all have tube feet, water vascular system, and radial nerves
Sea urchin and sea star

Question 9

Endothermic vs ectotherm

Answer 9

Endotherm- gets heat for bodies from the chemical reactions that occur in the body
Ectotherm-get heat from environment

Question 10

Four body parts all vertebrates have at some point in their lives

Answer 10

Tail
Notochord
Hollow nerve cord
Pharyngeal pouches

Question 11

How do gills work

Answer 11

Fish take water in through mouth. It goes over gill membrane. The gill membranes take oxygen out of the water and deliver it to the blood

Question 12

What do all fish have in common

Answer 12

Gills, lateral line, live in water

Question 13

Three types of fish and examples for each

Answer 13

Jawless fishes-hagfish
Cartilaginous fishes-sharks
Bony fishes-perch

Question 14

How do bony fish use swim bladder

Answer 14

Swim bladder fills with air to allow fish to float in the water at a certain level without moving

Question 15

Why do amphibians need to live near water

Answer 15

Lay eggs, develop in early stages, keep their skin moist, drink through skin

Question 16

How are amphibians ecological indicators

Answer 16

They are sensitive to changes in water or on land cause they live in both for most of their lives. Their skin easily absorbs chemicals in both water and air

Question 17

Reptile eggs vs amphibian eggs

Answer 17

Amphibian eggs-no shell or amniotic fluid, so must stay in water
Reptile eggs- shell and amniotic fluid so they won’t dry out on air

Question 18

Two ways reptile skin is different from amphibian skin

Answer 18

Thick skin

Dry

Question 19

Down feathers vs contour feathers

Answer 19

Down feathers-lie next to body, help Bird stay warm

Contour feathers-stiff feathers that cover body and wings, give color and shape, flight feathers

Question 20

Five reason why birds can fly and humans can’t

Answer 20

Rapid heart beat
Keel
Flight muscles
Hollow bones
Air sac to provide constant oxygen

Question 21

Precocial vs altricial

Answer 21

Precocial-born active, eyes open, fluffy feathers, swim, walk
Altricial- no feathers eyes closed, practically helpless

Question 22

Four types of birds and example of each

Answer 22

Flightless bird-penguin
Water bird-wood duck
Perching Bird-chickadee
Raptor-osprey

Question 23

List five mammal groups and give an example for each

Answer 23

Carnivores-lion
Trunk-nosed mammals- elephant
Hoofed mammals- horse
Primates-monkey
Cetacean-dolphin

Question 24

Distinguishing characteristic of monotremes and an example

Answer 24

Lays eggs

Platypus

Question 25

Distinguishing characteristic of marsupials and an example

Answer 25

Babies born in early stages and keep developing in pouch

Kangaroo