IB ESS 2.1 Species & Populations

Front

Which symbols best describe parasitism? Options: +,+, +,-, +,0, -,0

Back

+,-

Front

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.

Back

mutualism

Front

A frog eats a fly. The frog and fly are demonstrating ________.

Back

predator/prey

Front

Which symbols best describe mutualism?

Back

+,+.

Front

Two male Giraffes are fighting over the last green leaf on a tree

Back

Competition

Front

The eating of plants

Back

Herbivory

Front

What is the carrying capacity of the graph?

Back

around 500

Front

Any thing or organism that regulates the size of a population is known as __________.

Back

a limiting factor

Front

Which animal is the apex predator? Options: hawk, lizard, snake, grass

Back

hawk

Front

Organisms that create their own energy from sunlight or chemicals

Back

Autotroph