INVERTABRATES 2

Question 1

3 common arthropod characteristics

Answer 1

jointed appendages
tough exoskeleton
segmented body

Question 2

3 ways of respiration for arthropods

Answer 2

Gills
Book gills/ Lungs
Tracheal tubes

Question 3

4 classes of Arthropods (and example)

Answer 3

Trilobita, ancient dwellers of the sea. All extinct
Chelicerata, Spiders, scorpions, mites, ticks
Crustacea, Crabs, crayfish, lobster
Uniramia, insects, millipedes, centipedes

Question 4

To grow, all arthropods must ___

Answer 4

molt

Question 5

What is molting

Answer 5

shedding their exoskeleton

Question 6

Another word for the process of dramatic change?

Answer 6

Metamorphosis

Question 7

2 types of metamorphosis

Answer 7

complete, incomplete

Question 8

Phylum Echinodermata 4 characteristics

Answer 8

5 part radial symmetry
spiny skin
water vascular system
tube feet

Question 9

2 types of feeding

Answer 9

carnivores, using feet to pry open shells
filter feeders, uses tube feet to filter

Question 10

Respiration

Answer 10

skin gills

Question 11

internal transport

Answer 11

moved with internal fluids and digestive glands

Question 12

Excretion

Answer 12

Mouth and anus

Question 13

Chemical waste excretion

Answer 13

ammonia, excreted through tube feet

Question 14

Advanced nervous system?

Answer 14

No

Question 15

3 things about response

Answer 15

primitve nervous system
nerves around mouth and arms
clustered eye spots

Question 16

Reproduction

Answer 16

external fertilization, mostly male or female (some hermaphroditic) can repair themselves.