The instrument of choice would be the the clam shell sampler, which is also know as a grab sampler. Another instrument they use is the piston corer which is an open tube on a cable that gets dropped from a ship.
Answer:
the food chain is more stable and lasting
Explanation:
where there is an ecosystem with lots of plants and animals you get a stable food chain. where there are fewer plants and animals most animals have to compete with other animals for food.
Answer:
A trait that is going to be dominate is the No Cleft because it is the most produced data.
Surveying different people like your friends will add data that could be random, unlike just doing a data analysis on your family where the results will be similar, adding outside data will "Spice things up" and make it interesting.
I can help you out with some but I can not just do your homework for you, this looks like a whole lab assignment, If you get confused let me know and I can help you with the rest but I can't do it all for you.
Explanation:
South Africa has always been in the same location