The legs of a shrimp are used for movement, while the legs of a barnacle are used to catch food. However, both are descended from the jointed legs of a shared ancestor. This is an example of..

Which of the following best distinguishes algae from protozoa?

Which phylum does this crow belong to?

A population of 400 cats has two alleles at some locus, F and f. In this population: 125 cats have genotype FF 175 cats have genotype Ff 100 cats have genotype ff What is the frequency p of the F allele? Answer to two decimal places as a decimal, not a percentage. (Example: 0.22, not 22%)

Which of the following statements about photosynthesis is ACCURATE?

A. What RNA would be TRANSCRIBED from the following DNA? (3 pts) Coding:   5′-CCATGCATCCCGGATGAG-3′ Template: 3′-GGTACGTAGGGCCTACTC-5′ B. Use the codon table to translate that RNA into an amino acid sequence. (4 pts)

Which one of the following is the BROADEST, most general, type of taxon?

Which of the following plays the role of secondary (or sometimes tertiary) consumer?

How do nitrogen and phosphate pollution cause eutrophication in lakes and streams?

Which type of airway device can be used on a conscious patient with an intact gag reflex?