Animals Pt.2 - T3 S2

Question 1

name means “anus inside”, mostly marine, live in colonies, widely distributed, 1mm - >40cm in length

Answer 1

entoprocta

Question 2

water bears/moss piglet, “hardiest animal on Earth”, can thrive in a physically or geochemically extreme conditions (including the vacuum of space), invertebrate, about 1mm, semi-aquatic, usually eat algae/bacteria

Answer 2

tartigrada

Question 3

marine, 1mm - >40cm in length, widely distributed (polar seas-tropics, intertidal zones-ocean trenches)

Answer 3

priapulida (penis worms)

Question 4

no brain, no through gut, no excretory system, no organized gonads (has gamete: eggs and embryos occur in follicles), nor any other defined organs except for a statocyst containing flagellated cells; has cilia and a diffuse nervous system, up to 4 cm long, been found off coasts of Sweden/Scotland/Iceland, eat mollusks

Answer 4

xenoturbellida (strange flatworm)