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Grade 7 Science Ch 1
Grade 7 Science Chapter 1
Question | Answer |
---|---|
A tadpole turns into a frog over it lifetime. This is called | development |
Two horses mate and produce a foal. This is an example of | reproduction |
Which of the following is an example of a response to stimulus | you are scared |
A plant is growing toward light is an example of | external stimulus |
Which of the following is NOT a method your body uses to regulate homeostasis | taking a cool shower |
*** The mountain lion gets its energy from | pronghorn |
*** Which organism gets its energy directly from the Sun | desert paintbrush |
***From which food does the California myotis bat get its energy | ants |
How many groups did Aristole use to classify organisms | 2 |
Human beings belong in which of the following Kingdoms | Amimalia |
Which of the following is more general in terms of classifying an organism | Class |
Which of the following is the scientific name for a bear | Ursus arctos |
A ______________key uses pairs of descriptions to help the user identify an organism | dichotomous |
A cladogram is similar to which of the following | family tree |
Which represents the earliest microscope | light microscope |
Early microscopes were invented by Anton van Leeuwenhoek and _____ | Robert Hooke |
Robert Hooke used the microscope to observe and name | cells |
How many times does a compound light microscope with an ocular lens of 14x and an objective lens of 24x magnify objects | 336x |
The total magnification of the image in a compound microscope is equal to the magnifications of the ocular lens and the objective lens | multiplied together |
Electrons are found where? | outside atoms |
In a ______________ electron microscope, electrons actually pass through the object being view | scanning |
Which of the following workers would NOT use a microscope? | auto mechanic |
Scientific names of organisms consist of | genus and specific name |
Dichotomous keys are divided into steps with ____ descriptions at each step | two |
Linnaeus's system gave how many names to each organism | four |
Things too small to be seen with other microscopes may be viewed with an | electron microscope |
Multicellular organisms have a greater level of organization because_______ function together | groups of cells |
Living things with more that one cell develop ______________ functions | specialized |
The first lens in a compound microscope is an _____ lens | ocular |
The second lens in a compound microscope is a _____ lens | objective |
A two-word name used to classify living things is | binomial nomenclature |
Anything an organism responds to is a | stimulus |
Another term for living things is | organism |
The reaction of an organism to a stimulus is called a | response |
You have a stomach ache and decide to lay down | internal stimuli |
A bird is thirsty and drinks some water | internal stimuli |
A squirrel sees a cat and runs up a tree | external stimuli |
A lion gets hungry and eats a gazelle | internal stimuli |
You see a spider and run away | external stimuli |
A lizard is cold so it moves into the Sun | external stimuli |
You are cold so you put on a jacket | external stimuli |
You are hungry so you eat some food | internal stimuli |
uses light and lenses to enlarge an image of an object | light microscope |
used to study extremely small things such as cell structures | transmission electron microscope |
a light microscope that uses more than one lens to magnify an object | compound microscope |
used to study an object's surface | scanning electron microscope |