This possible early hominin dates to about 7 million years ago and is represented by a single skull with a small brain, intermediate foramen magnum, and large browridges and cranial crests. Group of answer choices Ardipithecus ramidus Sahelanthropus sasquatchensis Sahelanthropus tchadensis Orrorin tugenensis
Added by Julio W.
Step 1
- It is represented by a single skull. - The skull has a small brain. - It has an intermediate foramen magnum. - It has large browridges and cranial crests. Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 97 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
This potential early hominin genus was named by Tim White in 1994 based on fossil remains from the Middle Awash area of Ethiopia. It lived from 5.7 to 4.4 million years ago and had a divergent big toe, a feature not found in later hominins. Named in 2001 based on fossil remains from the site of Lukeino, this potential hominin genus dates to 5.9 to 5.7 million years ago. It has been claimed to be a hominin based largely on the anatomy of its femoral head and femoral neck. This hominin genus was named by Dart in 1925. It lived in East and South Africa from roughly 4.2-2.0 million years ago and had a mix of ape-like (small cranial capacity, long upper limbs) and human-like (bowl-shaped pelvis, valgus knee) features. This potential hominin genus was named in 2002 based on a 7 million-year-old cranium nicknamed "Toumai" that was found in the Djurab Desert of Chad. It is thought to be a hominin based on its small canines and the anterior position of its foramen magnum. This hominin genus had robust craniodental anatomy including post-canine megadontia and robust mandibles. It was named by Broom in 1938 and lived from 2.7-1.3 million years ago in East and South Africa.
Madhur L.
Which of the following hominins is hotly debated as possibly the oldest, has ape-like features, a cranial capacity of 320-380cc (centimeters cubed), found in Chad, and also has a foramen magnum more closely positioned to the center of the skull base? Australopithecus Africanus Sahelanthropus tchadensis Australopithecus Robustus Australopithecus Afarensis This hominin is visibly more gracile (smoother/smaller features), has a rounded, smooth vault (no crests or ridges on the cranium), a cranial capacity of 450-550cc (centimeters cubed), and a fossil specimen that includes Taung Child? Australopithecus Africanus Australopithecus Afarensis Australopithecus Robustus Sahelanthropus tchadensis
Derrick D.
Match each of the pre-australopithecines described below to its corresponding description: Sahelanthropus tchadensis 1. I lived about 6 mya in eastern Africa. My femurs had long necks with grooves for my obturator externus muscles. Orrorin tugenensis 2. I lived about 7-6 mya in central Africa. I had a small cranial capacity, large brow ridge, and anteriorly positioned foramen magnum. Ardipithecus ramidus 3. I lived about 4.4 mya in eastern Africa. I had long arms and fingers and a relatively short, broad pelvis.
Sulav P.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD