lobster

Question 1

phylum?

Answer 1

anthropoda

Question 2

scientific name

Answer 2

Homarus americanus

Question 3

role in ecosystem

Answer 3

They recycle dead material in the ocean. They are a predator to smaller marine animals like crabs and sea urchins.

Question 4

key characteristics

Answer 4

Lobsters have 5 pairs of legs (2 of them being claws), a long antennae for sensing its surroundings, and have a hard exoskeleton with a red color.

Question 5

body symmetry

Answer 5

bilateral

Question 6

coelom type

Answer 6

coelomates

Question 7

life cycle and reproduction

Answer 7

Lobsters sexually reproduce. Their larvae float to the surface of the water when they hatch!

Question 8

nervous system

Answer 8

They have a decentralized nervous system. 15 ganglia. The main ganglia are in between the eyes for sensory and movement.

Question 9

digestive system

Answer 9

They use claws to pass food to the mandibles to eat. They have a complete digestive system. Fun fact: inside, they have gastric mills that are like teeth that help grind up the food