Two different species of frogs mate successfully and produce fertile hybrid offspring. however, the offspring of the hybrids do not develop completely to adulthood. this is an example of which type of reproductive barrier?

What is a carbohydrates function

How would living things be affected if there were no decomposers to cycle carbon back to the atmosphere?

A ruler has markings as shown below. Stefan uses this ruler to measure the length of a metal rod. How many decimal places should his answer include?

Which of the following is true about glassy igneous rocks? cooled very slowly cooled very rapidly cooled in two stages

Many scientific discoveries begin with direct observation

What happens when you get scared "Half to death twice"?

Atoms of different elements combine to form

How does mRNA differ from DNA? a. mRNA contains ribose sugars; DNA contains deoxyribose sugars. b. mRNA contains the base uracil; DNA contains the base thymine. c. mRNA is single-stranded; DNA is double-stranded. d. All of the above are correct.

Type of sponge that mimic synthetic sponge

Name two roles of parenchyma cells and briefly explain how these cells are specialized for these roles