Twenty Questions
Subject: Living Things
Twenty Questions
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An organism’s ability to maintain
stable internal conditions is called ___

homeostasis
The two kingdoms that contain only
heterotrophs are animals and ____

fungi
The process of changing into a more
complex organism is called _______

development
A structure that is found in plant cells
but not in animal cells is a ______

Cell wall (or chloroplast)
These are the kingdoms in the domain
Eukarya.

Protists, fungi, plants, and animals
The dense portion of some cells
containing nucleic acids is called ____

The nucleus
The region between the cell membrane
and the nucleus is called ____

cytoplasm
A group of organisms that can mate
with each other and produce offspring
that can also mate and reproduce is
called_______

species
Which organelle converts energy in
food molecules into energy the cell can
use?

mitochondria
A change in an organism’s
environment that causes a reaction is
called a(n) ______

stimulus
An organism is a(n) _____ if it can
manufacture its own food.

autotroph
A belief in _____ was disproved when
Francesco Redi performed
experiements to show that flies do not
arise from meat.

Spontaneous generation
_____________ are the basic unit of
structure and function in living things.

cells
The scientific study of how things are
classified is called _______

taxonomy
The first word of an organism’s
scientific name indicates the ______

genus
Chloroplasts are found only in the cells
of _____ and some other organisms.

plants
An organism that is made up of many
cells is called ___________

multicellular
An organism whose cells contain
nuclei is called a _______

eukaryote
The domains of bacteria and _____
contain only prokaryote organisms.

archaea
Food, _____, living space, and stable
internal conditions are basic needs of
living things.

water