Paleogene and Neogene Keywords

Paleogene and Neogene Keywords - Only a few eggs and only...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Key Word Definition Key Points Amniote animals Anthropoids Australopithecus Bipedal Animals which walk upright on two legs Cro-magnons Endothermy Animals that obtains most most of its body heat from internal physiological sources Glandular skin Great apes Hominids A member of a monophyletic group of primates, characterized by an erect bipedal stance, that includes modern humans and their recent ancestors Hominins Mammary gland Specialized organs of female mammals that produce energy-rich milk, a watery mixture of fats, sugars, proteins, vitamins and minerals Neanderthal Neogene Out-of-Africa hypothesis Oviparous Referring to animals that lay eggs containing the nutrients needed for development of the embryo outside the mother's body Lay eggs Paleogene Paranthropus Parental care
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Only a few eggs and only nurtures those • Different from fish who lay lots of eggs in hoping of few survivors Placenta A specialized temprorary organ that connects the embryo and fetus with the uterus in mammals, mediating the delivery of oxygen and nutrients. Analagous structures occur in other animals • Embryo develops internally • Provides food, oxygen, and pathway for wastes Primates Sebaceous gland • Releases oil to keep hair moist Sternal keel • Most important and reinforced structure in the bird Sweat gland • Secretes sweat that is used to cool body Viviparous Referring to animals that retain the embryo within the mother's body and nourish it during at least early embryo develop • Narsyoials or Eutherians...
View Full Document

{[ snackBarMessage ]}

Page1 / 2

Paleogene and Neogene Keywords - Only a few eggs and only...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online