All energy in an ecosystem begins with the _________
The sun
100
the smallest unit of a living thing is a _________
cell
100
At the bottom of the trophic pyramid is the _______________
producers
100
Any ___________ of an organism that increases its chances of surviving and reproducing
trait
200
an organism that consumers parts of dead organisms and transfers all the biotic material into simple chemicals (nutrients) is a _________________
decomposer
200
Primary consumers get energy from ____________
producers/plants
200
Inside the cell, the DNA is stored inside the _____________
nucleus
200
A food chain shows the direction of __________ from on organism to another
energy
200
Octopuses and cuttlefish have an adaptation that allow them to blend in with surroundings because they have the special ability to __________________
change color
300
a system of interacting organisms and nonliving factors in a specified place is __________________
an ecosystem
300
Another word for a secondary consumer is
carnivore/heterotroph
300
Humans have 23 pairs of _________________
chromosomes
300
all the biotic material in an ecosystem is __________
biomass
300
The special adaptation of a walking stick is
ability to look like a stick and blend in with environment
400
the specific way a feature is expressed in an individual organism is a ________________
trait
400
Tertiary consumers are also known as
top predators
400
If there is a change in the genetic code that creates a new trait, this is known as a ______________
mutation
400
herbivores get energy from
plants/producers
400
A grasshopper had a green color that allows it to blend into its surroundings. This trait is an adaptation because...
it helps it avoid predators, increasing its chances of reproducing
500
a structure in the cell that contains all the genetic information and transfers the hereditary information to the next generation is a _________________
chromosome
500
This is the process that plants use to make energy from the sun
photosynthesis
500
DNA stands for _______________ _________
deoxyribonucleic acid
500
Decomposers create nutrients for ______________
producers/plants
500
What is the unique adaptation that has allowed humans to develop tools and technology