To make a shade of orange paint that you like, you must mix  2 3 of a bottle of red paint with  4 5 of a bottle of yellow paint. You need 88 bottles of this orange paint. How many bottles of red paint will you need and how many bottles of yellow paint will you need? (All bottles are the same size.) Explain your solution.

If a crew of 3 people takes 212 hours to clean a house, then how long should a crew of 2 take to clean the same house? Assume that all people in the cleaning crew work together at the same time and at the same steady rate. Explain how to reason about multiplication and division with quantities to solve this problem. Make sure to also state the answer to the problem.

In a famous experiment done in tidepools, Payne removed sea stars from a set of pools and found

The larval form of a Cnidarian is called a

The evolution of anatomical difference that reduce competition between species is known as character displacement.

Archaeocytes digest particles received from choanocytes.

The three types of sponge canal systems are [type1] [type2] [type3]

The blind gut of Cnidarians is referred to as the ___________ cavity.

Apicomplexa includes Dinoflagellates.

Give a brief example of the above type of symbiosis (from the previous question). In your example, explain, briefly, how each organism in the relationship is affected.