MATCHING Correctly Match the Definition with the Correct Geologic Time Period

question 64

Multiple Choice

MATCHING
Correctly match the definition with the correct geologic time period
-Cambrian

• A)repeated advance and retreat of glaciers; evolution of humans; extinction of large mammals and birds; 0-2.6 mya
• B)continents begin to separate; diverse dinosaurs; first birds; first flowering plants; 145-200 mya
• C)extensive forests; amphibians dominate life on land; increase in diversity of insects; first reptiles; 300-360 mya
• D)further increases in diversity of marine invertebrates and vertebrates; plants and fungi begin to colonize land; mass extinction at end of period; 445-490 mya
• E)origin of life; photosynthesis causes oxygen content of Earth's atmosphere to increase; first eukaryotes; first multicellular organisms; 540 mya-3.8 bya
• F)continents near present positions; increased diversity of flowering plants, birds, mammals, and pollinating insects; 2.6-65 mya
• G)early dinosaurs; first mammals; mass extinction at end of period; 200-250 mya
• H)increase in diversity of land plants; first amphibians colonize land; mass extinction late in period; 360-415 mya
• I)large and relatively sudden increase in the diversity of animal life; increase in diversity of algae; first vertebrates; 490-540 mya
• J)flowering plants begin to dominate life on land; mass extinction at end of period, including extinction of the last dinosaurs; 65-145 mya
• K)continents come together to form Pangaea; reptiles dominate life on land by 265 mya; mass extinction at end of period; 250-300 mya
• L)increase in diversity of fishes; first hints of colonization of land by insects and other invertebrates; 415-445 mya

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Definitions:

Olfaction

The sense of smell, which is the detection of odors through sensory organs in the nose.

Gustation

The sense of taste, which is one of the five traditional senses and involves the detection of flavors by taste buds on the tongue.

Bipolar Neurons

Bipolar neurons are a type of nerve cell that have two extensions, making them crucial for sensory pathways, like those in the retina of the eye.

Squamous Epithelial Cells

Flat, scale-like cells that form the outermost layer of the skin and line the oral cavity, esophagus, and other organs.