Earth's orbit around the sun is a perfect circle.

True
False

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

The cluster of developing cells from conception until birth is called an

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.