Packet questions

Podcast

Play an AI-generated podcast conversation about this lesson

Download our mobile app to listen on the go

Get App

Questions and Answers

What makes an aggregation different from a colony?

An aggregation consists of a group of organisms that live together but maintain their individuality, while a colony typically involves organisms that are dependent on each other.

What are the advantages of flying in flocks?

Protection, multiple possible mates, and quick relay of information

What are the disadvantages of flying in flocks?

Limited access to food, vulnerable to predation if subordinate, trouble keeping up, and don't get to make directional decisions

What is important in the topology hypothesis?

The number of birds between them. Two birds far apart in low density flocks interact as strongly as two birds close together in a dense flock Signup and view all the answers

What is important in the distance hypothesis?

Distance between the two birds affects the interaction, regardless of how many birds are between them Signup and view all the answers

What factors did Beschta rule out for possible causes of the missing age classes of cottonwood trees?

Fire, bug infestation, and climate effects Signup and view all the answers

What is resource use overlap?

A measure of the resourced shared between any pair of species Signup and view all the answers

What is competitive exclusion principle?

A statement that no two species that consume the exact same resources can survive for long. Signup and view all the answers

What is character displacement?

Evolutionary change that occurs when two similar species inhabit the same environment. Signup and view all the answers

What happens to poor competitors?

They must move, adapt, or go extinct Signup and view all the answers

What determines the outcome of competition?

Local environment and intrinsic properties of the competitors Signup and view all the answers

What happened to diversity when Pisaster was excluded?

Diversity decreased. Pisaster kept the bivalves in check so they wouldn't take over Signup and view all the answers

What happens during photosynthesis?

Plants absorb light and carbon dioxide and turn it into carbohydrate energy Signup and view all the answers

Define primary production.

Production of organic compounds from carbon dioxide, mainly through photosynthesis Signup and view all the answers

Define trophic level.

The feeding position in a food web which describes what an organism eats and what eats it Signup and view all the answers

What are the biggest sources of carbon dioxide?

Industrial processes, land-use changes, and fossil fuel combustion Signup and view all the answers

What are natural sources of carbon dioxide?

respiration and decomposition Signup and view all the answers

Why is so much energy assimilated lost?

Most energy is lost through respiration as it is transferred to heat energy which is unusable Signup and view all the answers

What is assimilation?

The absorption of resources Signup and view all the answers

What is production?

Growth Signup and view all the answers

What is respiration?

ATP production and carbon dioxide waste Signup and view all the answers

Describe the function of photosynthesis.

Carbon dioxide + water = glucose + oxygen Signup and view all the answers

Describe the function of cellular respiration.

Glucose + oxygen = carbon dioxide + water. Producing chemical energy as ATP and heat Signup and view all the answers

Consumption =

assimilation + feces Signup and view all the answers

assimilation =

Production + respiration Signup and view all the answers

Flashcards

Capital of France (example flashcard)

Paris