Evolutionary History Learning Goals. CH1&2.

• Paleontologists look for similarities in _____ to decide whether species belong together.

• fossils
• • body structures

• DNA analysis
• rocks

Tags

NGSS.MS-LS4-2

• Two species _____ a body structure when that body structure features the same kinds of bones, found in the same positions relative to each other and to the rest of the body.

• analogous
• corresponding
• homologous
• • share

Tags

NGSS.MS-LS4-2

• Body structures are _____ from an ancestor population.

• Deteriorated
• Evolved
• Inherited
• Mutated

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

• Body structures that are shared between two species are evidence that these two species inherited the shared structures from a common _____ population.

• descendant
• • ancestor

• unrelated
• modern

Tags

NGSS.MS-LS4-2

• Species that have shared body structures can also have ____ in those structures.

• • differences

• discrepancies
• similarities
• uniformity

Tags

NGSS.MS-LS4-2

• Differences in body structures can be related to differences in these species’_______.

• genetic makeup
• physical activity levels
• dietary habits
• • environments

Tags

NGSS.MS-LS4-2

NGSS.MS-LS3-1

• One population can become ____ distinct populations after geographic separation and many generations.

• single
• united
• divided
• • two

• The process of _____ can occur with any type of organism.

• • speciation

• photosynthesis
• metabolism
• growth

• In populations separated into different environments, natural selection causes different changes to happen to each population. This causes descendant species to end up with _____ in their shared structures.

• • differences

• adaptations
• mutations
• similarities

Tags

NGSS.MS-LS4-2

• When the environment is mostly the same over time, body structures stay _____.

• evolving
• • stable

• modified
• static