Homo habilis, a transition from the-common-ancestor-of-__________-__________-__________ to humans. It's brain is about 50% bigger than a chimp's. The fossils are found with a variety of stone tools; this is the __________ human which we're sure used tools.

Homo habilis, a transition from the-common-ancestor-of-__________-__________-__________ to humans. It's brain is about 50% bigger than a chimp's. The fossils are found with a variety of stone tools; this is the __________ human which we're sure used tools.



Answer: chimps-and-humans, earliest

Homo ___________, a transition from the-common-ancestor-of-chimps-and-humans to humans. It's brain is about 50% bigger than a chimp's. The fossils are found with a variety of stone __________; this is the earliest human which we're sure used __________.

Homo ___________, a transition from the-common-ancestor-of-chimps-and-humans to humans. It's brain is about 50% bigger than a chimp's. The fossils are found with a variety of stone __________; this is the earliest human which we're sure used __________.



Answer: habilis, tools, tools

Advantages of bipedalism, Model 6 _______ model; when standing, the organism is a smaller target to the rays of the sun & besides there's always a cooling breeze. So, hominids maintain better body temperature control.

Advantages of bipedalism, Model 6 _______ model; when standing, the organism is a smaller target to the rays of the sun & besides there's always a cooling breeze. So, hominids maintain better body temperature control.



Answer: heat dissipation (getting rid of)

Advantages of bipedalism, Model 2: __________, had a three-dimensional area to collect from; when foods high in energy and low in handling time are abundant, an animal should specialize on them. Make do with what you have available.

Advantages of bipedalism, Model 2: __________, had a three-dimensional area to collect from; when foods high in energy and low in handling time are abundant, an animal should specialize on them. Make do with what you have available.



Answer: foraging