Chapter 8
plants that produce seeds that are not enclosed in a fruit
What is a gymnosperms
an animal whose body temperature varies with the temperature of its surroundings
What is an ectotherm
matter with a composition that is always the same; 2 types: elements and compounds
What is a substance
Is the ability to cause change
What is energy
What is a disturbance that transfers energy from place to another without transferring matter
What is wave
The transfer of pollen to female plant structures of the same species
What is pollination
A thin layer of tissue that covers a mollusk's internal organs
What is Mantle
a type of substance containing atoms of two or more elements chemically combined
What is a compound
The sum of potential and kinetic energy of the particles that make up an object
The region of a longitudinal wave where the particles are farthest apart
What is rarefaction
A period when an organism's growth or activity stops
What is Dormancy
Give an example of an arthropod
What is a roundworm
True or False... A electron is a positively charged atom outside the nucleus
False
Energy stored in chemical bonds between atoms
What is Chemical Potential
A kind of wave that has to do with an earthquake
What is Seismic waves
Are any changes in an organism's environment that cause a response.
What is Stimuli
True or False... 5% of all animals on earth are invertebrates
What is False
What is the other name for homogeneous mixture
What is a solution
Name 2 lubricants that can reduce friction
What is oil and greece
Electromagnetic waves with the shortest wavelengths and the highest frequencies
What is gamma rays
A plants response to touch
What is thigmotropism
An adaptation which one species looks like another species
What is mimicry
Compare and contrast protons and electrons
They are both in the nucleus to compare them and to contrast them protons have a positive charge and electrons have a negative charge.
True or False... Potential energy and kinetic energy have to do with mechanical energy
What is true
True or false.. Radio waves carry phone signals
What is false, it is microwaves