Answer B did this a few ago
To show he presence of a trait you would need to follow it through multiple generations in a pedigree.
Answer:Option A
Explanation: The snail breaths in the O2 which will then exhale CO2, therefore the plant will take that and process the CO2 back into O2.
Answer:
Fewer Offspring than the environment can support
Explanation:
It takes time for a creature to adapt to its Environment. So that puts off 2.
Your guaranteed to get traits from your parents so that rules out #1
There isn't really an equal probability of survival for an offspring, ruling out #3.
So that leaves us with 4. I'm not biology expert, I'm just letting you know how I did this problem. Just in case i'm wrong, I would double check with other answers :)
Genetic information is found in DNA, which is found in the nucleus. it could also be chromosomes, however.
