Spring Final 2017

Sea stars have the ability to regenerate half their body when attacked by a fish.
Which statement best explains what type of reproduction occurs when sea stars regenerate?

• Asexual because each half has a similar structure
• Asexual because each half has the same genetic information
• Sexual because each half has a parent and an offspring
• Sexual because two gametes unite

The part of a chromosome that carries information for a particular trait is called a

• protein
• gene
• nucleus
• gamete

What gas is needed by humans to survive AND given off as a waste product (produced) by plants?

• oxygen
• nitrogen
• carbon dioxide
• helium

Slow, but predictable re-growth of an area after a catastrophic event is called ________________.

• climax community
• natural selection
• selective breeding
• succession

A mature forest is known as a ______________.

• climax community
• natural selection
• selective breeding
• succession

Which biome receives between 0 to 25 centimeters of rain per year, has a temperature range of 0 to 50 degrees Celsius, has poor soil, and is home to lizards, scorpions, and snakes?

• desert
• mountain
• taiga
• tundra

Which biome receives between 0 and 25 centimeters of precipitation each year, has a temperature range from -27 to 5 degrees Celsius, has frozen soil, and is home to hares, caribou, and wolves?

• desert
• mountain
• savannah
• tundra

A drought has hit this grassland biome. How will this effect the rabbit population?

• The rabbits will increase in number.
• The rabbit population will stay the same.
• The rabbit population will decrease.
• The rabbit population will become extinct immediately.

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

Which biome, because of its climate, has the largest number of species of plants and animals?

• tundra
• desert
• rain forest
• pine forest