What kind of symmetry do cnidarians have?
Radial
What do corals need in order to grow their skeleton?
calcium
Porifera means ______________.
Pore Bearing
Why do bleached corals look white?
They lost their zooks :(
What is Mr.Beck's Favorite Color...?
GREEN
Cnidaria means __________.
stinging
Why are rising sea levels bad for coral?
Less light for photosynthesis
Sponges do gas exchange via _______.
diffusion
Can coral survive bleaching?
Yes!
Cnidarians have organs.
True or False?
False
High heat causes ____________ to shut down.
Photo systems in the chloroplast
Sponges are sessile.
True or False
True
Can coral survive 6 weeks straight of bleaching?
No!
When a cnidarian goes from a polyp to a medusa form this is known as _____________.
The Alternation of Generations
What is the main driver of climate change?
Green house gases, mainly from fossil fuel use
What kind of cell produces current in the sponge?
choanocyte
Why are zooks expelled from coral?
reactive oxygen builds up and hurts the cell
Cnidarians may reproduce __________.
Sexually and Asexually
Coral are thriving. What zone of the range of tolerance am I describing?
Optimal Zone
The hollow inner chamber of the sponge is called the __________.
osculum
Almost all coral has bleached and died. Which zone of the range of tolerance am I describing?
Zone of Intolerance