Which of these behaviors leads to evolution?
A. Many birds migrate south to warmer areas during the cold winter months
B. Your friends are vaping so you do too.
A. Many birds migrate south to warmer areas during the cold winter months
5
Which type of resistance developed last?
Community Acquired Methicillin Resistance
15
Which of the following is necessary for natural selection?
A. Plasmid transfer from one bacterium to another
B. The potential for a species to increase in number
B. The potential for a species to increase in number
15
Which of the following is necessary for natural selection?
A. Genetic drift of a small population
B. Competition for limited resources
B. Competition for limited resources
15
Which of the following is necessary for natural selection?
A. The proliferation of organisms better able to survive
B. Mass extinction events like the extinction of the dinosaurs
A. The proliferation of organisms better able to survive
15
Which of the following is necessary for natural selection?
A. Geological events such as volcanoes, earthquakes, or asteroid strikes
B. Genes can be passed on from generation to generation
B. Genes can be passed on from generation to generation
15
What is one tool scientists use to determine when one period of geologic time begins and ends?
The fossil record
Mass extinctions
Appearance of many new species
15
How many traits are shared by Chordates and Flatworms?
3
10
Name all the traits mollusks and arthropods share.
Multicellular
Tissues
Three germ layers
Protostome development
15
Which two groups of animals are most closely related?
a. echinoderms and sponges
b. arthropods and echinoderms
c. sponges and flatworms
d. arthropods and roundworms
e annelids and chordates
f. cnidarians and echinoderms
d. Arthropods and roundworms
15
Name 3 things that are evidence of evolution
Anatomy, homologous structures, bones follow the same patterns in different animals, similar DNA sequences, embryology, biogeography, fossil record,
20
Which group of mammals is most closely related to sirenians?
Proboscideans
15
Where was the most recent common ancestor between hyracoids and Perissodactyls? Point to it on the board
That spot there
15
What was the most recent common ancestor between Cetaceans and tubulidentates?
Mammal ancestor
15
How many common ancestors do Perissodactyls and hyracoids share?
3
15
Which groups are more closely related?
A. Artiodactyls and Perissodactyls
B. Proboscideans and tubulidentates