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Which of these is matched correctly [a]A) acomplexicans — TrypanosomaB) diplomonads — GiardiaC) parabasalids  — PlasmodiumD) kinetoplastids —Trichomonas

A chart displaying indicators and their colors is displayed below. If a solution gives a bromphenol blue test that is blue, a methyl orange test that is yellow and Phenol Red test that is yellow. What is the pH? Give reasoning.

Land plants differ from green algae because all plants [a]A) are multicellularB) have plastidsC) have alternation of generationsD) have cell walls containing celluloseE) lack a nucleus

The figure in the reading [1] the recent downward trend in retail jobs in the United States. 

Match the plant or plant parts to their proper description

Early Earth atmosphere was so harsh because it [a].A) was rich in gases like methane, ammonia and carbon dioxideB) had an oxidizing atmosphereC) experienced little high-energy radiation from the sunD) had an atmosphere with significant quantities of ozone  

Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in [a]A) morphologyB) the pattern of embryological developmentC) biochemical pathwaysD) mutations to homologous genes

Why are organisms on islands different compared organisms found on the nearest continent but are also very similar [a] A) island forms are descended from mainland formsB) common environments are inhabited by the same organismsC) island forms and mainland forms have identical gene poolsD) the island forms and mainland forms are converging

Many crustaceans use their tails to swim, but crabs have reduced tails that are not used for swimming. the crabs’ tail is [a]A) an example of convergent evolutionB) a homologous structureC) an example of natural selectionD) a vestigial trait

What method is widely used to measure the age of a fossil?A) whole life decay mechanismsB) sequence fossils in rock strataC) use uranium-238D) radiometric dating