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___ Mammal that lays eggs ____ Mammal whose young complete development in pouch

ID: 85911 • Letter: #

Question

___ Mammal that lays eggs ____ Mammal whose young complete development in pouch ____ Mammal whose young complete development in a uterus with a placenta ____ Individual segments of a vertebrate backbone _____ Individual segments of a vertebrate backbone ___ Hollow ball of cells created during early animal embryonic development ___ Motile body form of cnidarians ____ Sessile body form of cnidarians ____ In molluses this secretes shell if one is present ____ A file-like mouthpart used to scrape food up in molluses ____ Organism that uses living hosts for nourishment-lives on outside of host ___ Organism that uses living host for nourishment-lives on inside of host ___ Eats plant, algae ___ Eats dead organic matter ____ Kills and consumes prey ____ Arthropod sensing structure that projects from head ___ Starfish use these to move and to hold on to prey ___ Movable flap covering gills in bony fish ___ Organ allowing bony fish to hang motionless in H_2O ____ Organ allowing bony fish to hang motionless in H_2O A case enclosing brain in a vertebrate skull ___ Waterproof egg laid by reptiles and mammals ___ Has 4 feet ___ Lives on or in its food source ___ Tears off pieces of food from source ___ Sips fluid from food source ___ The immature stage of an animal before it undergoes metamorphosis into an adult

Explanation / Answer

1) monotreme

2) marsupial

3) eutherian

4) vertebrae

5) blastula

6) medusa

7) polyp

8) mantle

9) radula

10) ectoparasite

11) endoparasite

12) herbevore

13) scavenger

14) predator

15) antenna

16) tube feet

17) operculum

18) swim bladder

19) cranium

20) amniotic egg

21) tetrapod

22) substrate feeder

23) bulk feeder

24) fluid feeder

25) larva