Living Organisms/Body Systems
How do bacteria compare with humans
Only humans are multicellular organisms
Which body system controls all other systems of the body
nervous
Is this true or false? Inherited traits are passed from parents to offspring?
true
An ecosystem contains ferns, rabbits, and many trees. What best describes this ecosystem
forest ecosystem
Where would a decomposer be in a food chain?
at the end
Using tubes made up of cells is one way plants
transport water throughout the organism
The esophagus, stomach, and intestines are all part of one body system. Which one?
digestive
Which traits can a tree not pass to its offspring
a trunk scarred by lightning
How are estuaries different from lakes, rivers, and oceans?
Estuaries contain both salt water and freshwater
Mice and rabbits eat plants. Hawks eat mice and rabbits. Suppose a disease kills most of the rabbits in a meadow ecosystem. Which is least likely to happen?
The mice will not have enough food
Which not made up of one or more cells
a rock
Which system gives the body structure and support?
skeletal system
True or False. Producers make their own food
true
carnivore
What does a food web show
the flow of energy through an ecosystem
What is an example of a unicellular organism?
an amoeba
Give an example of a learned behavior
rolling over on command
Both forests and grasslands are
terrestrial and ecosystems
Which is produced by photosynthesis
carbon dioxide
Which group of living things make up the bottom level of an energy pyramid?
producers
Which correctly identifies a part of the circulatory system and its function?
the heart pumps blood
Give an example of an inherited trait for humans
having two arms
Which is a freshwater ecosystem
a lake
Which group do fungi, bacteria, and termites belong to
decomposers
What do plants give off into the air that animals need
oxygen