According to the cladogram, which organism is most distantly related to the human?
perch
frog
crayfish
grasshopper
The lizard has all these derived characteristics EXCEPT
Lungs
Bipedal
Jaws
Who is most closely related to Taxidea taxus?
Lutra lutra
Panthera pardus
Canis lupus
Canis latrans
The table shows classes of animals and their heart structure/anatomy. Crocodiles are reptiles that have 4-chambered hearts. Which statement below is best supported by the table?
A crocodile like animal is the common ancestor that all fish share
Amphibians and birds are more cloesly related than amphibians and reptiles
A crocodile and a bird share a common ancestor
A crocodile like animal is the common ancestor or all reptiles
Which statement best explains why this trait evolved in both types of organisms?
Each group inhabited a niche in which selection pressures (natural selection) favored this trait
The two groups of organisms bred with each other
Both groups expressed recessive ancestor genes for this trait
Both groups underwent the same sequence and timing of genetic mutations
Which grouping of hominid species is most closely related according to this phylogenetic tree?
Homo sapiens and homo heidelbergensis
Homo sapiens and Homo erectus
Homo habilis and Homo hidelbergensis
Homo habilis and Homo sapies
A species is.....
A type of DNA.
A group of different colored frogs
A group of organisms that can mate with each other.
A group of organisms that can mate with each other and produce offspring
A group of organisms that can mate with each other and produce viable offspring
A group of organisms that can mate with each other and produce fertile and viable offspring
Match the following terms with their definitions
Any variation that makes an organism better able to survive
Evolution
A permanent change in the DNA
Adaptation
A change in a species DNA over time because of natural selection
Variation
An inherited trait that makes and individual different