Answer: Older fossils usually are found in the deepest strata.
Explanation: The deeper the fossils are in the ground, the older that they are. The reason is because layers of dirt, sand, and rock cover the fossils, and because they have been around for millions of years, it would give it all the time to cover up the fossils.
Answer:
A. Tapeworm in an intestinal tract.
Explanation:
This symbiotic relationship is parasitic because the tapeworm causes harm to the host. Tapeworms feed off the nutrients the host consumes, thus making the host sick.
Not parasitic:
Bees transport pollen from flowers back to the nest to feed the young bees, but pollinate female flowers as well which keeps the flower population alive.
Pilot fish swim under sharks to keep other prey from eating them, and the shark do not eat eat the pilot fish.
Birds eating the insect of the back of a hippopotamus keep the hippo clean and parasite-free as well as feeding the birds.
Answer:
When finding the probability calculation, you can divide the number of events by the no. of the possible outcomes, and that can give you the probability of the event from there. If you use this strategy, you can determine the outcome from there! Hope this helps. ^_^
Neuronal Pool
Hope that helps, Good luck! (: