Which statement is true of the many parts of the biosphere?
Each part includes salt water
Each part is completely unique
Each part is isolated from the others
Each part is connected to all the others
On a construction site, a worker moves some debris and a bulldozer moves a different pile of debris. Which of these best explains how the worker and the bulldozer are alike?
Their physical properties are similar
They are both systems that are performing similar functions
They both use the same kind of fuel to provide them with energy
They have control centers that made from the same components
What is an organized group of related parts that interact for form a whole?
Which of these best explains the organization of the biosphere?
Groups of biomes make up a community, and groups of communities make up an ecosystem
Groups of communities make up a population, and groups of populations make up a biome
Groups of individuals make up populations, and groups of populations make up communities
Groups of populations make up an ecosystem, and groups of ecosystems make up a community
Which of these is an example of a connection between Earth systems?
ice melting on a lake
deer drinking from a stream
a robin hatching from an egg
minerals forming under Earth's surface
Which of these only lists abiotic components of an ecosystem?
river, grass, soil
rocks, insects, trees
minerals, water, air
sand, saltwater, seabirds
The geosphere is one of four interconnected systems and includes ___________.
all non-living parts of the Earth
every living thing on Earth
continents, rocks, and sea floor only
the features on and below Earth's surface
Which of these is not a characteristics of all living things?
they use energy
They are made up of more than one cell
they maintain stable internal conditions
What do the atmosphere and the hydrosphere work together to do?
to maintain a consistent temperature for life on Earth
to provide homes for most organisms living on Earth
to keep ice caps from melting and sea levels from rising on Earth
to allow the water cycle to constantly provide fresh water for Earth
Fleas obtain nutrients by feeding on the blood of a dog.
Moss gains exposure to sunlight by growing on the branches of trees. The moss does not harm the trees.
The close relationship between two different species in an ecosystem
What is a keystone species?
A species that helps to hold an ecosystem together
A species that lives in or around rocks
Keys and stones have nothing to do with ecology
A keystone isn't a living thing, it's just a stone
Why are bee's important?
They make honey
The pollinate flowers
Bee's provide important services to the ecosystem
We shouldn't talk about them, they sting me and it hurts