An oceanographer wishes to study the effect of salinity on the growth of a certain type of aquatic plant. Imagine an experiment the oceanographer can conduct and identify the possible variables. Independent variable

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

What type of reaction is photosynthesis