2.2 Quizizz Review

Which of the following phrases best describes line K in the graph above?

• The rate of population growth

• The carrying capacity of the environment

• The time it takes for the population to double in size

• The population at the beginning of the study

What are examples of pioneer species in a primary succession?

• Bushes and Shrubs

• Oak trees

• A rose bush

• Mosses and Lichens

Which of the following best describes Primary Succession?

• Volcano wipes out ecosystem that gradually grows back from ash covered soil

• Volcano creates a new island of rock that must break down to form an ecosystem

• Forest fire burns down forest that must bounce back over time

• Tornado destroys a crop that must slowly grow back over time

Why does biodiversity increase during the course of succession?

• Biodiversity is the difference in ages of organisms, so some organisms arrive earlier than others.

• Over time, the some trees begin to reproduce and take over an area.

• Many populations of organisms gradually begin to occupy the same area to create a climax community.

• Many organisms move in to the area for a short amount of time, then leave to find a better habitat.

What is the main difference between primary and secondary ecological succession?

• Primary begins WITHOUT soil; Secondary begins WITH soil

• Primary is the first stage and secondary is the second stage

• Primary begins WITH soil; Secondary begins WITHOUT soil

• Primary builds plant community; secondary builds animal community

The lionfish is an invasive species in the western north Atlantic region. When taken to a new habitat, non-native (invasive) organisms often threaten native organisms of the new habitat.  Why do they do this?

• Non-native organisms are able to mutate rapidly

• Non-native organisms are able to be used for medicine

• Non-native plants cause native animals to relocate

• Non-native organisms compete with native organisms for resources

Why do the populations of invasive species grow so quickly?

• Invasive Species are native to an area.

• Invasive species have no natural predators.

• Invasive species are prey to many animals.

• Invasive species keep the ecosystems in equilibrium.

Several abiotic factors affect aquatic ecosystems. Which of the following is NOT an abiotic factor?

• pH

• sunlight

• coral reef

• dissolved oxygen

The ocean is a carbon sink, meaning that it absorbs carbon dioxide in the atmosphere. What can excess carbon dioxide in the ocean cause?

• ocean acidification

• acid rain

• strong shells and corals

• increased pH

Which group of animals on this tree are most closely related to birds?

• Saurischian dinosaurs

• Crocodiles

• Ornithischian dinosaurs

• None of these are related to birds