What is a mutagen?

O

A. A way to test for chromosomal mutations

O

B. An environmental agent that changes DNA

O

O

C. A mutatign that is inherited from parents

D. A type of mutation involving chromosomes

Use your understanding of evolution through isolation to answer the questions provided. Charles Darwin's study of the Galapagos finches led to an understanding of evolution. How is evolution studied? Check all of the boxes that apply.

some cells have many short, hairlike structures on their surfaces. these structures are used mainly for what

Which of the following statements is true? DNA testing can only be completed if evidence samples are very large. Polymerase chain reaction (PCR) testing can only be used on "fresh" DNA samples. Only identical twins have the exact same genome.

Earthworms use these for anchoring during movment. A. setae B. hearts C. mouth and anus D. dorsal and ventral blood vessels

Megan is interested in studying how unicellular organisms reproduce. Which term describes the process by which they reproduce? A. conjugation B. population C. separation D. binary fission

Tectonic plates are made of earth asthenosphere

Photochemical smog tends to form over

How is structure related to function in living things

Plant species such as the sesame plant and the coconut palm have large amount of lipids in their seeds

A conclusion can eliminate the hypothesis as the answer to the proposed question. True or false.