Terrestrial Biomes and Climate Patterns

Play an AI-generated podcast conversation about this lesson

What is the point at which the curves of immigration and extinction rates intersect?

The point of minimum biotic diversity

The point of maximum extinction

The point of maximum biotic diversity

The equilibrium point (correct)

What is the effect of increasing distance of an island from its source of colonists?

It has no effect on the biotic diversity

It decreases the rate of extinction

It increases the rate of immigration

It lowers the rate of immigration (correct)

What is the consequence of increasing the area of an island?

It increases the rate of extinction

It lowers the rate of extinction (correct)

It decreases the rate of immigration

It has no effect on the biotic diversity

What is the relationship between the rate of change of species and the equilibrium point?

The rate of change is lowest at the equilibrium point Signup and view all the answers

What is the number of species present on an island at the equilibrium point?

The number indicated by the vertical line Signup and view all the answers

What is the purpose of the curves of immigration and extinction rates?

To determine the equilibrium point of biotic diversity Signup and view all the answers

What is the main factor that affects the climate with respect to latitude?

Uneven distribution of solar energy Signup and view all the answers

What is the characteristic of the Inter-Tropical Convergence Zone (ITCZ)?

A band of clouds with showers and thunderstorms Signup and view all the answers

What is the result of the air being heated over the equator?

It rises and creates a low pressure zone Signup and view all the answers

What is the purpose of a climatic diagram?

To display the temperature and precipitation patterns Signup and view all the answers

What is the effect of the seasonality of drought on the biome type?

It affects the biome type along with other factors Signup and view all the answers

What is the significance of the Tropic of Cancer and Capricorn?

They mark the limits beyond which the sun is never directly overhead Signup and view all the answers

What type of flora dominated the Cool temperate regions during the Mesozoic?

Glossopteris Signup and view all the answers

What was the percentage of all life that became extinct after a massive die-off in the Mesozoic?

95% Signup and view all the answers

What was the approximate temperature on Earth during the Cretaceous period compared to today?

10°C higher Signup and view all the answers

What event caused the extinction of about 75% of the diversity of Earth's life?

K-Pg Extinction Signup and view all the answers

What was the diameter of the crater formed by the meteorite that struck Earth 66 million years ago?

170 km Signup and view all the answers

What was the effect of the meteorite strike on the Earth's flora?

The changes were limited and largely temporary Signup and view all the answers

What is the primary characteristic of angiosperm seeds?

They are completely enveloped by the ovary Signup and view all the answers

During which geological period did ice periodically cover many parts of the Earth's surface?

Pleistocene Signup and view all the answers

What is the term for unsorted glacial sediment?

Glacial till Signup and view all the answers

What is the shape of a valley formed by glacial erosion?

U-shaped Signup and view all the answers

What is the term for a plant that produces cones and has seeds that lack an outer coat?

Gymnosperm Signup and view all the answers

What is the name of the current geological epoch that is characterized by a lack of glaciers?

Holocene Signup and view all the answers

What was the result of the melting of the ice caps on the Earth's crust?

An isostatic upwarping of the land surface Signup and view all the answers

What is the term for the change in sea level due to the melting of ice?

Eustatic change Signup and view all the answers

What prevented the colonization of new habitats by species after the glacier retreat?

The rise of sea level Signup and view all the answers

Which species of shrew was able to reach Ireland?

Pygmy shrew (Sorex minutus) Signup and view all the answers

What is the term for the rebound of the mantle and lithosphere after the melting of a glacier?

Isostatic rebound Signup and view all the answers