What is the difference between a primary and secondary source? explain and give an example?

In a species of wild animal, claw size is determined by a combination of two alleles. Allele Q codes for large claws, while allele q codes for small claws. Individuals with a heterozygous genotype possess claws of medium size.

Does mammals have fins

Which event is the most common at a transform plate boundary? A. frequent earthquakes B. formation of a mountain chain C. a mid-ocean ridge D. a hot spot volcano

After performing a gram stain of a mixed culture of gram positive and gram negative cells, you shout: "oops, i forgot the iodine step!" what would you expect to see if you observed the slide under the microscope?

What are some pros and cons of viruses and bacteria

Inflammation of a nerve: A. neuropathy B. neuralgia C. sciatica D. neuritis

Differentiate between dominant and recessive traits

Pits are large and allow movement of large molecules through tracheids. true or false? salt ions are smaller than bacteria true or false?

Which of the following is NOT a characteristic of the nucleus? A. Controls functions of the cell B. Contains DNA in chromosomes C. Is surrounded by the nuclear membrane. D. Are spherical, rod-shaped organelles

How does DNA support the idea that life change over time?