Homologous structures in organisms suggest that the organisms:

have a common ancestor

must have lived at different times

have a skeletal structure

are now extinct

Which of the following is not a goal of science? A. to investigate and understand the natural world B. to explain events in the natural world C. to establish a collection of unchanging truths D. to use derived explanations to make useful predictions

Where is energy stored in the cell?

A star has right ascension of 35 minutes. Which of these statements is correct about the star? It is 35 minutes to the east of zero hours right ascension. It is 35 minutes to the west of zero hours right ascension.

What are the sings/symptoms of depression

Which of the following is true about the law of segregation? A. alleles will separate a zygote is created during fertilization B. allele pairs will separate when gametes are formed C. some alleles are dominant while others are recessive

Which substance is used by plants as a source of food? A:water B: glucose C:oxygen D:carbon dioxide

If a tree ring you are measuring is very thick, what does that mean? A. That year was cold and dry B. That year was warm and very dry C. That year was warm and wet D. None of the above

Which of the following represents the treatment option most likely to avoid the evolution of drug-resistant HIV (assuming no drug interactions or side effects) ?

Which of the following connective tissues is richly vascularized and consists of more cells than extracellular matrix? A) Adipose b) Dense regular C) Areolar D) Hyaline cartilage

Humans and apes have five fingers they can use to grasp objects. do you think these are analogous or homologous structures? explain your answer.