True or False: Genetic evidence from mitochondrial DNA and Y-chromosome DNA suggests modern humans, Homo sapiens sapiens, arose in Africa and migrated outward from there, and this subspecies designation identifies us all as one subspecies today, synonymous biologically with us belonging to one “biological race” with many populations, however connected or disconnected in known history.

You discover a new species in a remote rainforest, but this species exhibits some unusual characteristics. It has feathers, but cannot fly, it just uses its feathers to provide insulation and help regulate body temperature, similar to fur. Additionally, this creature produces an oily substance from something equivalent to salivary glands that is not milk but similar to it in that it is used to nurse its young and in nest-building. It builds nests and lays eggs, but it also shows a remarkable level of parental care, with both parents actively involved in feeding and raising their offspring. Given these intriguing characteristics, speculate on the classification of this unique species. Think about shared characteristics. Is it most likely to be a mammal, non-avian reptile, amphibian, or bird?

Which order do frogs and toads fall into?

Which best defines a biological population?

Which phyla in domain archaea require high salt concentrations?

What part of this egg is labeled at 59.? amniotic egg.jpeg  

Which class of arthropod has 2 body regions and 10-14 legs?

Which of these are invertebrate chordates?

What is the closest living relative clade to the bird clade?

Of the species listed below, which of these is the earliest species in the genus Homo?