ECOLOGY QUIZ_BIOLOGY S S 1

(a)   is the scientific study of the interactions of living things with each other and their relationships with their environments.

Which of the following is a biotic factor ?

• plants

• bacteria

• plastic

• animals

(a)   consists of organisms of the same species that live in the same area and interact with one another. Two or more of these make up a community.

The _________consists of all the biomes on earth, encompassing all the places where life exists.

• community

• biosphere

• population

• ecosystem

The actual place where an organism lives is referred to as its ______.

• habitat

• home

• house

• earth

Which ore abiotic factors?

• sunlight, climate, water, and insects

• temperature, soil, water, and flowers.

• sunlight, temperature, soil, and bacteria

• sunlight, climate, water and air

Which of the following are examples of biotic factors?  Select all that apply.

answer choices

• fungus

• bacteria

• grasses

• water

A remora attaches itself to a shark with an adapted fin. The remora eats food that the shark finds but would leave uneaten. The remora and shark show what type of relationship?

• commensalism

• competition

• mutualism

• parasitism

A spider kills and eats an insect and a tick slowly feeds on the blood from a deer. In both relationships one organism is harmed. What kind of relationships do these organisms display?

• The spider and insect are in a predation relationship; the tick and the deer are in a parasitism relationship.

• The spider and insect are in a parasitism relationship; the tick and the deer are in a predation relationship.

• Both sets of organisms are in a parasitism relationship.

• Both sets of organisms are in a predation relationship.

A plover is a bird that crawls into a crocodile’s mouth. It cleans and eats the food left on the crocodile’s teeth. The crocodile gets its teeth cleaned and the plover gets food. What is this an example of?

• commensalism

• mutualism

• parasitism

• predation