Please explain how respiration is the opposite of photosynthesis.

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Which structure in the cardiovascular system connect arteries to veins?

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.