Evidence of Evolution

Front

Some marine worms and mollusks go through similar larval stages during development. What can be inferred about their relationship?

Back

They share a common ancestor.

Front

Which substance do biochemists often search for in fossils to help better understand the evolutionary relationships of the organism that formed the fossil? Options: ATP, DNA, Iron, Oxygen

Back

DNA

Front

What is the best way to determine the evolutionary relationships between species?

Back

by comparing the amino acid sequences of their proteins or DNA

Front

Archaeoptryx had a long, bony tail like dinosaurs, broad wings and feather like birds, and skeletal features of both. What best describes this evidence? Options: fossil, geological, biochemical, embryological

Back

fossil

Front

The forelimbs of living whales, dogs, humans, and bats are all similar in their arrangement and structure. What category of evidence is exemplified?

Back

anatomical similarities

Front

What can be inferred from the following statement? The protein cytochrome c is found in all aerobic organisms.

Back

Aerobic organisms evolved from a common ancestor.

Front

A scientist uses DNA from a prehistoric bird to compare with modern bird DNA. What evidence is being used to compare relatedness?

Back

biochemistry

Front

Whales live in the water and have no hind limbs. However, the ancestors of this baleen whale lived on land, helping to explain the existence of the whale’s pelvic bone, labeled with the letter P.

Back

vestigial

Front

The table shows the number of differences between the amino acid sequence in the hemoglobin molecules of several different species compared with the amino acid sequence in human hemoglobin. Using this data, which organism is most related to humans? Options: frog, gorilla, horse, pig

Back

gorilla

Front

The unknown species of fern found in the Amazon jungle is most similar to which known species? (Options: species 1, species 2, species 3, species 4)

Back

species 4