Fifteen

A fish fossil is found in a rock. A foot bone and tooth are found in an older layer of the same rock. What can scientists learn from the rock?

•   The area was once an ocean.

• The area has always been land.

• The area changed from water to land.

• The area changed from land to water.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

What is this?

• Pedigree

• Karyotype

• Venn diagram

• Punnett Square

Tags

NGSS.HS-LS3-1

What does an open circle represent?

• Not Affected Male

• Not Affected Female

• Affected Male

• Affected Female

What does a filled in square represent?

• Not affected Female

• Not affected Male

• Affected Male

• Affected Female

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What do half colored symbols represent?

• The individual is a carrier (heterozygous).

• The individual expresses the trait.

• The individual has both recessive alleles.

• The individual has both dominant alleles.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Is this trait (the shaded individuals) dominant or recessive?

• dominant

• recessive

Tags

NGSS.HS-LS3-1

What is the atomic number of Phosphorus?

• 13

• 14

• 15

• 16

Which of the following elements has an atomic mass closest to 15?

• Carbon

• Nitrogen

• Oxygen

• Phosphorus

How many protons are present in an atom with an atomic number of 15?

• 13

• 14

• 15

• 16

If an element has 15 electrons, what is its atomic number?

• 13

• 14

• 15

• 16