Ecology Competition

In an ecosystem, everything is ___.

• connected to everything else

• separate from each other

• alive

• must eat other organisms to survive

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

___  the branch of science that studies how organisms interact with one another & with their environment.

• ecology

• geology

• astronomy

• chemistry

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following shows the levels of organization in order from the smallest to the largest?

• organism, population, community, ecosystem

• ecosystem, community, population, organism

• population, organism, community, ecosystem

• organism, community, population, ecosystem

A ___ is all of the organisms of the same kind in a place.

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS4-4

___ is a word that describes all of the non-living parts of an ecosystem.

• abiotic

• biotic

• robotic

• probiotic

Tags

NGSS.MS-LS2-3

Which of the following best describes a relationship in the food web?

• The green plant is a decomposer because it is consumed by the rabbit.

• The goat is a primary consumer because it is consumed by the jackal.

• The wild cat is a secondary consumer because it consumes the rabbit.

• The mouse is a producer because it consumes the green plant.

Tags

NGSS.MS-LS2-3

a relationship that occurs when two or more organims of the same species need the same resource at the same time

• competition

• symbiosis

• predation

Tags

NGSS.MS-LS2-1

The Florida panther once occupied areas from Florida to Louisiana. It now lives only in the southwestern tip of Florida. What is the most likely cause of the decline of the Florida panther population?

• Competition for territory between panthers.

• The weakening of species due to inbreeding

• The loss of natural habitat due to human settlement.

• The increase in the population of white-tailed deer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A farmer wants to expand the family farm, but doesn't want to negatively affect the local red tail hawk population. The farmer knows the following about the red tail hawk. 1. They nest in the nearby forest in the tall parts of the trees. 2. They eat fish, rats, mice, rabbits, lizards and birds. 3. They hunt in open fields, plains, lakes and rivers. What choice below would have the largest negative impact on the red tail hawk population?

• Cut down the forest to plant a wheat field.

• Change the flow a nearby river to open up a field to plant corn

• Plant an apple orchard on part of an open field.

• Build a barn to park the tractor

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following best describes the role of bacteria in the food web above?

• Uses energy from light, to combine oxygen, carbon dioxide and water and converts it into energy in the form of sugar.

• Uses energy from dead organisms or waste material to break down dead organisms and waste material into nutrients.

• Controls the population by removing energy from living organisms

• Uses energy from dead organisms or waste material to transfers energy

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3