what two cell organelles are only found in a plant cell?
chloroplast, cell wall
what is a phenotype
characteristics or traits of a organism that is observable
in the winter, some birds fly away to find a place that is warmer. what form of microevolution is this?
migration
a farmer has taken two of his biggest tomatoes and took their DNA to possibly try and make bigger tomatoes to grow in his farm. what kind of artificial selection is this?
selective breeding
what is a fossil?
any preserved organism that has once lived. (could be bones, shells, imprints, ect.)
which cell organelle transport materials
endoplasmic reticulum
what is a genotype
the organisms complete set of genes
turtles have thick and strong shells on their back to prevent predators from eating them. is this a structural or behavioral adaptation?
structural
scientists took someone who is sick blood cells and created a face them a dosage of the new blood cells everyday to try and make their sickness go away. what form of artificial selection is this?
gene therapy
what are some types of fossils?
trace fossils, molds, body fossils, amber, cast fossil
what cell organelle stores water and nutrients
vacuole
A female bunny has the recessive trait of white fur (rr) and a male bunny has a dominate trait of brown fur, but is heterozygous (Rr), what is the possibility of their offspring having white fur?
50%
some birds dance to get another's attention. is this a behavioral or structural adaptation
behavioral
a woman has a pet dog who has recently passed away. Scientists were able to take the dog's DNA and create an exact copy of the dog. what form of artificial selection is this?
cloning
what are some uses for fossils?
to study history, or use for fuel
what cell organelle controls what enters and leaves the cell
cell membrane
what are the alleles for a person who is homozygous recessive?
rr
a giraffe with a long neck is able to eat the leaves off of a very tall tree. The giraffe with the shorter neck is not able to reach the leaves and dies of starvation. what form of microevolution is this?
natural selection
what is a GMO?
"Any organism whose genetic material has been modified"
how can you tell if a rock is younger?
its closer to the surface
which cell digests food and gets rid of worn out cell plants
lysosome
what are the alleles for someone who it heterozygous
Rr
some butterflies and moths have a pattern on their wings that look like eyes to scare away predators. what form of microevolution is this?
mimicry
a farmer has been able to get scientist to create an exact copy of one of his sheep. what form of artificial selection is this?
cloning
how can you tell if a rock is older?
it farther into the ground and harder to dig up