1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.
Answer:
Group 2
Explanation:
I did this 1 year ago hope this helps :)
Answer:
Lizards / Reptiles
(Scientific four-legged snake is: Tetrapodophis)
Explanation:
couldn't add answer ^^ ignore comment :-)
Vampire squid can turn itself inside to prevent itself from predators.
It can also camouflage itself for the same
They use sensory filaments to find the food
Mimic octopus display white and black stripes.
It can mimic other aquatic creatures like flatfishes and lionfish to trick its predators
Toadfish possess light emitting cells
They make loud noises to call off the predators.
They also have venomous spines
Treehopper can camouflage in every type of environment of a forestland