Fossils of a species of bird are found in layer 3. Which layer is most likely to have organisms that lived at the same time as the bird species?
12
11
10
8
7
5
O A. Layer 7
O B. Layer 2
O C. Layer 5
O D. Layer 10

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

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.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.