Science Exam

A sound wave is an example of a ___________ wave.

To measure wavelength you measure the distance from crest to crest or from trough to ________.

An echo is an example of a wave being ___________.

A wave in a pond spreading as it passes a rock is an example of ____________.

Sound waves transfer energy by __________ air particles.

Your hearing can be ___________ by high intensity sounds.

The intensity of a sound is determined by its ____________.

An electromagnetic wave transfers energy through a _______.

The Sun is the source of _____ EM waves on Earth.

The Cell Cycle begins with ____________.

A cell grows and carries out life functions in __________.

The offspring produced by asexual reproduction are genetically _________ to their parents.

Most multicelluar organisms grow and develop because their cells _________ to divide.

Your genes are inherited from your ________.

_______ are various forms of the same genes.

If the genotype of one parent is GG and the genotype of the other is gg, what is the probability that an offspring will have a Gg genotype?

During meiosis _______ & _____ are produced.

A _______ square is a representation of how alleles might combine.

Genetic engineering involves _______ an organism's genes.

A clone is an organism that is genetically ________ to its parent.

Refraction happens when a wave moves from one medium to ________.

A doctor uses ultrasound to examine _______ organs.

______ rays have the highest frequencies.

The cell cycle ends with ______________.

Your cells keep _________ even when you are an adult.

If an animal has an allele for white fur, but its fur is black . The allele for white fur is __________.

A fossil is an object that contains traces, remains or evidence of ________ things from long ago.

According to the fossil record, the first multicellar organisms were __________.

Natural Selection occurs due to overproduction, ___________ and variations.

Snakes use to walk on land, they still have small leg bones in their body and vestigial _______.

An inherited triat that gives an organism an advantage in its particular enviroment is an ____________.

A group of organisms that live in a particular area is a ____________.

Ecology is the study of how living things ________.

The source of energy for almost all life on Earth is ____.

An ecosystem is made up of living things and the _________ enviroment.

A frog is an example of a consumerin a pond ____________.

After a forest fire, grasses and small shrubs begin to grow. Eventually, trees grow back this is an example of ____________ succession.

In the area around a city, large homes, mall and new roads are built. This is an example of __________ development.

Wood is an example of a ____________ resource.

House sparrows from England were released in the US. They have competed with native blue birds. These sparrows are an ________ species.

A substance that makes air, water, or land harmful for life is called __________.

The endangered Species Act is a law that helps preserve _____________.

Sand Dunes are created by _______.

Mangroves grow in _____ water.

Human activities like habitat destruction, poaching and pollution can cause ____________.