What was the old system of classification?
Animals and plants
Where is the Pectoral fin located?
on the sides
Are Porifera Invertebrates or vertebrates?
Invertebrates
Are Echinoderm Invertebrates or vertebrates?
Invertebrates
What helps sea cucumbers move?
Tube Feet
There are two main categories of organisms within Kingdom Animalia What are they?
Invertebrates and vertebrates
What is the caudal fin
the tail
What does sessile mean?
immobile, they are attached to reef surfaces and therefore they are sessile
What does Echinoderm mean?
Spiny skin
What are sea cucumbers waste known to be?
Cleaner than their food.
What is a invertebrate
That they don't have a backbone
Explain the swim bladder
An organ that is a gas-filled sac
It is used for buoyancy- the ability for fish to stay afloat without using energy from swimming
What is an Osculum?
The opening f the sponge on top.
How many rays do Echinoderm usually have?
5 or multiple of 5
What does a pore do to sponges?
Allows water to enter
name the modern classification system
Kingdom phylum class order family genus species
What percent of fish are bony fish
95%
How do sponges reproduce? Explain the process of budding.
a section of the sponge (known as a bud) splits off and develops into a new organism
True or False: Is it hard to kill a starfish?
True
What does ectotherms also known as
Cold blooded
What does Taxonomy mean?
The science of classifying organisms based on their similar characteristics.
What is a notochord
It is sometimes replaced by the vertebrate, fish can have both
It is flexible and gives structure to the body
What is a Heterotroph
A Heterotroph is an organism that does not produce their own energy and therefore gains energy from outside sources (like eating food).
What is a Water Vascular System
water that moves through their body, entering at the
madreporite and exiting at the tube feet, allowing the echinoderms to move
What are 3 things that sea cucumbers can do to scare off their predators?
They can expel their organs
They can expose a hook-like structure
They can release a toxic chemical that smells badly to other species