The process through which species change over time
What is evolution
100
All of the individuals of the same type in the same location at a particular time.
What is population
100
The correct order of body structures from smallest to largest (4 of them)
What is cell, tissue, organ, system
100
The system that is the internal line of defense against infection
What is the immune system
200
Fossil insects are captured in this
What is amber
200
Species members best suited to their environment survive and reproduce at a higher rate than others of their species
What is natural selection
200
The maximum number of individuals an ecosystem can support
What is carrying capacity
200
The process of keeping the body systems in balance
What is homeostasis
200
Term for structures in the skin that perceive pain and temperature
What are sensory receptors
300
Radioactivity is used to measure this type of age
What is absolute age
300
A process in which man chooses animals with particular traits to reproduce.
What is artificial selection
300
A factor that prevents the contiuing growth of a population in an ecosystem.
What is a limiting factor
300
Two waste products of respiration
water and carbon dioxide
300
Voluntary muscles and tendons move the parts of this system
What is the skeleton
400
Man first appeared in this era
What is the cenozoic era
400
An inherited trait that gives an organism an advantage in its particular environment.
What is adaptation
400
Competition, disease, parasitism and predation are this type of limiting factor.
What is desity dependent
400
The pair of organs that regulate the amount of water in the body
What are the kidneys
400
A system that transports nutrients to all body parts
What is the circulartory system
500
When determining fossil age, the youngest sediment layer is on top, the older layer lies below
What is relative age
500
Physical structures that were developed and used in ancestors, but which are reduced and unused in later species. Examples are human appendix and tiny leg bones in whales.
What is vestigial
500
The term that means nonliving factors, such as air, water and soil
What is abiotic
500
The purpose of respiration is to release this
What is energy
500
Two different terms for muscles of the digestive system