Characteristics of Life
When deciding characteristics of life, how do scientists separate different characteristics of life depending on the organisms? HINT- A vocabulary word
A __________ organism grows as its one cell gets bigger. Fill in the blank.
unicellular
Bacteria, Archaea, and Eukarya
A ___________ is a group of organisms that have similar traits and are able to produce fertile offspring.
Fill in the blank.
species
In the late 1600s, Anton van Leeuwenhoek made one of the_______________.
first microscope.
What is the smallest unit of life?
A Cell.
A multicellular organism grows when ____________ are produced. Fill in the blank.
What are the four kingdoms of classifying organisms?
Protista, Plantae, Fungi, and Animalia
___________ gives each organism a two-word scientific name. Fill in the blank.
binomial nomenclature
One characteristic of all microscopes is that they ________ objects.
Fill in the blank.
magnify
Living things that are made up of two or more cells is called _________? Fill in the blank
A multicellular organism
The changes in an organism during its lifetime are called _____________. Fill in the blank.
development
____________ are unicellular and more complex than bacteria or archaea.
Fill in the blank.
Protista
A ____________ is a group of similar species.
Fill in the blank.
genus
The two main types of microscopes are 1._________ microscopes and 2.__________ microscopes.
1. light
2. electron
Living things that are made of only one cell are called ________________? Fill in the blank
a unicellular organisms
Provide an example of an internal stimuli and an external stimuli?
internal: hunger, thirst, and pain
external: changes in the environment that the organism lives in.
___________ are simple, unicellular organisms. They often live in very hot or salty environments.
Fill in the blank.
Archaea
_______________ is a series of descriptions arranged in pairs that lead the user to the identification of an unknown organism.
Fill in the blank
dichotomous key
A light microscope that uses more than one lens to magnify an object is called a __________ microscope.
Fill in the blank.
compound
All ___________ have structures with specific functions, or jobs. Fill in the blank.
organisms
a tadpole then becoming a frog
a caterpillar metathesizing into a butterfly
a larva becoming a misquito
Animals are multicellular and take in their food.
Animals; Animilia
A ______________ is a branched diagram that shows the relationships among organisms, including common ancestors.
cladogram
____________ microscope uses a magnetic field to focus a beam of electrons through an object or onto an object’s surface.
electron