The diagram below shows a portion of the geologic time scale. Based on the time scale, it can be concluded that

A flowering plants appeared on Earth before animals

B animals appeared on Earth before flowering plants

C flowering plants created the first oxygen molecules

D land animals created the first oxygen molecules

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Adoença vitiligo afeta qual doença do corpo?

Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.