Vocab 1
The remains or imprints of once-living organisms are called _________
fossils
_________ occurs when all members of a species has died
extinction
How many organisms are required to reproduce asexually
1
Which type of trait is used in natural selection
inherited
What scientist came up with the idea of Natural Selection
Darwin
The basic unit of all living things is called
cell
An inherited trait that helps an organism survive or reproduce in its environment is an ________
adaptation
Provide an example of a living thing maturing
tadpole ---> frog
caterpillar --->butterfly
What happens to a species as the environment changes
Adapt
Move
Become extinct
How is energy used to allow birds to grow
Energy is needed to make new cells, which allows the bird to grow
A change that affects the activity of an organism is called a ________
stimulus
Within a population there are natural differences, or _______, in traits
variations
What is a response to the following stimuli:
Tickling
Hot day
Cold day
laugh
Sweat
shiver
What is an example of an adaptation of a species
giraffes long neck
jaguar large jaw
Provide an example of a consumer, producer, and decomposer. What are their differences
Animal, eats other organisms
Plant, makes its own energy
Fungi, bacteria, worm, takes nutrients from dead organisms
The maintenance of an internal environment is called_______
homeostasis
________ _________ is the process by which organisms that inherit advantageous traits tend to reproduce more successfully than other organisms.
natural selection
What 4 things do organisms need to survive
food, water, air, shelter
What are 2 of the ideas that influenced Darwin
Organisms pass traits to off spring
Organisms acquire traits
Earth changes over time
A struggle for survival exists
Could life as we know it exist on earth if air only contained oxygen. explain
No, because plants need carbon dioxide
____ is the genetic material that controls the structure and function of cells
DNA
The practice by which humans select plants or animals for breeding based on desired traits is _________ _______________
artificial selection
What 5 things do all living things have in common
All have cells, all grow, all reproduce, all respond to the environment, all use energy
What are the 4 parts of Natural selection
Overpopulation
Genetic Variation
Selection
Adaptation
what type of rock are fossils found in.
sedimentary