Dichotomous Keys and Taxonomy

Match the following definitions with the appropriate mechanism of evolution

• Small population / Genetic Drift

• Random change in the frequency of alleles in a population over time.

• Non-random mating

• Movement of genes in/out of a population

• Natural selection

• Selection of traits that aren't necessarily good for survival fitness, but without them you can't reproduce.

• Mutation

• Organisms more fit for their environment will survive and reproduce more offspring

• Gene flow/ movement

• Any change in a DNA sequence

Tags

NGSS.MS-LS4-4

Match the following

• A change in gene frequency over time.

• Descent with modification

• Lots of offspring and limited resources causes competition for those resources.

• Adaptation

• Differences in the physical traits of organisms

• Overproduction of Offspring

• A feature that allows an organisms to better survive in its environment

• Variation

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The cladogram shown is a model used by scientists to represent the order in which they hypothesize organisms descended from a common ancestor based on the appearance of derived characteristics.

Which of the following traits do the salamander and the lizard share?

• Jaws only

• Jaws and Lungs

• Claws or nails

• Jaws, Lungs, and Claws or nails

Tags

NGSS.MS-LS4-2

Which organism is the most distantly related to all the others?

• Raccoon

• Dog

• Giant Panda

• Sun Bear

Tags

NGSS.MS-LS4-2

From the picture above, What do the species all have in common?

• Back bone

• Same father

• Common ancestor

• Feathers

Tags

NGSS.MS-LS4-2

What is the order of the taxon from LARGEST to SMALLEST?

• Genus, kingdom, phylum, class, order, species, family, domain

• Domain, kingdom, phylum, class, order, family, genus, species

• species, genus, family, order, class, phylum, kingdom, domain

• domain, family, species, order, class, phylum, kingdom, genus

What is the scientific name of the buttercup?

• Plantae angiospermophyta

• Eudicotidae ranunculales

• Ranunculales ranunculacae

• Ranunculus acris

The buttercup would be more closely related to which organism?

• Acria robusta

• Plantae bria

• Ranunculus liberta

• Moldova acrius

Tags

NGSS.MS-LS4-2

What is evolution?

• The process through which species remain unchanged over time

• The process through which species change over time due to variations in traits that are heritable

• The process through which species adapt to other species

• The process through which species communicate

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

What is natural selection?

• The process by which individuals with traits that are disadvantageous for their environment tend to survive and reproduce

• The process by which all individuals in a population survive and reproduce equally

• The process by which individuals with traits that are advantageous for their environment tend to survive and reproduce

• The process by which individuals learn to adapt consciously to their environment

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4