Which of the following questions can be answered by science? I. How does ocean acidification affect marine biodiversity?
II. Which climate conditions lead to food scarcity?
III. Which endangered species require the most human intervention?

I and II
II and III
I and III
I only

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii