Horned Toads will squirt blood from their eyes if they are being attacked as a defense measure
1. C- abiotic factors are non living
2. C?- oxygen is the only one which is an input of photosynthesis
<span>I believe it was 300 BC.</span>
A. He should add shells that are different colors, but the same size and type, to the tank and observe which shells the hermit crabs choose.
Durning an experiment you need to keep everything the same but only change the certain things based on your theory.
Such as how the student wanted to see if the color attracted the crab. If he had changed the size and type of the shell then the crab would have chosen the bigger one as they tend to grow into larger shells.
