Biology, Thursday Bell Ringer, 4.12.18

Which of the following is a fossil?

• a plant that has recently died
• a group of organisms that can reproduce
• a structure or organ that no longer functions
• a trace of an organisms that existed in the past

Tags

NGSS.MS-LS4-1

In natural selection, the selective agent is the

• humans
• mutations
• breeders
• environment

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)

• mutation
• gene flow
• gene pool
• allele

Tags

NGSS.MS-LS3-1

What is the process in which humans breed organisms for certain traits?

• natural selection
• inheritance
• artificial selection
• descent withOUT modification

Tags

NGSS.MS-LS4-5

When populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

When populations decrease because animals are moving out of a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth