Chapter-24
... Humans (Homo) arose 2 million years ago • H. habilis was an early toolmaking species • H. erectus dispersed into Europe and Asia ...
... Humans (Homo) arose 2 million years ago • H. habilis was an early toolmaking species • H. erectus dispersed into Europe and Asia ...
CHAPTER 30 What is a chordate? An animal that has a dorsal
... extends beyond the anus. These characteristics are present during at least one stage of life. Hollow nerve cord: runs along dorsal (back) of the body. Nerves branch from this cord to connect to internal organs, muscles, and sense organs. Notochord: Long supporting rod that runs through the body just ...
... extends beyond the anus. These characteristics are present during at least one stage of life. Hollow nerve cord: runs along dorsal (back) of the body. Nerves branch from this cord to connect to internal organs, muscles, and sense organs. Notochord: Long supporting rod that runs through the body just ...
chapter 34 - Randolph Field ISD
... ° These fossils push craniate origins back to the Cambrian explosion. ...
... ° These fossils push craniate origins back to the Cambrian explosion. ...
CURRICULUM SUMMARY * September to October 2008
... ʻcoldʼ side) where they think the animal would best survive. In groups, children create a poster of an imaginary island, detailing the climate and food sources etc. Choosing one island, the group decides which children (role playing as animals) would survive there or not. Children learn about Darwin ...
... ʻcoldʼ side) where they think the animal would best survive. In groups, children create a poster of an imaginary island, detailing the climate and food sources etc. Choosing one island, the group decides which children (role playing as animals) would survive there or not. Children learn about Darwin ...
Chordata Powerpoint
... is leg-like in appearance. Scientists believe that this fish is the ancestor of amphibians! Amphibians first appeared 350 million years ago. ...
... is leg-like in appearance. Scientists believe that this fish is the ancestor of amphibians! Amphibians first appeared 350 million years ago. ...
Chapter 33 – Vertebrates
... These fossils push craniate origins back to the Cambrian explosion. ...
... These fossils push craniate origins back to the Cambrian explosion. ...
The Hierarchy of Structural Organization
... organisms from nonliving objects. – Explain the importance of defining a reference man and woman. – Define homeostasis and explain why this concept is central to physiology. – Define negative feedback, give an example of it, and explain its importance to homeostasis. – Define positive feedback and g ...
... organisms from nonliving objects. – Explain the importance of defining a reference man and woman. – Define homeostasis and explain why this concept is central to physiology. – Define negative feedback, give an example of it, and explain its importance to homeostasis. – Define positive feedback and g ...
The Evolution of Hominid Bipedalism
... stupid small- brained apes that use no tools and walk on all fours to the pinnacle of a big brained, tool using, upright modem man. The modem big brain was the focus for theorists who thought that an enlarged brain allowed for bipedalism. In 1828, embryologist Karl Ernst von Baer wrote, "Upright pos ...
... stupid small- brained apes that use no tools and walk on all fours to the pinnacle of a big brained, tool using, upright modem man. The modem big brain was the focus for theorists who thought that an enlarged brain allowed for bipedalism. In 1828, embryologist Karl Ernst von Baer wrote, "Upright pos ...
Unit 11 Animal Evolution Chp 34 Vertebrates Notes
... These multiple adaptations in form and function to a variety of systems have supported the transition from a relatively sedentary lifestyle in pre-vertebrates to a more active one pursued by most vertebrates. ...
... These multiple adaptations in form and function to a variety of systems have supported the transition from a relatively sedentary lifestyle in pre-vertebrates to a more active one pursued by most vertebrates. ...
Unit 13 Vertebrate Evolution Notes
... These multiple adaptations in form and function to a variety of systems have supported the transition from a relatively sedentary lifestyle in pre-vertebrates to a more active one pursued by most vertebrates. ...
... These multiple adaptations in form and function to a variety of systems have supported the transition from a relatively sedentary lifestyle in pre-vertebrates to a more active one pursued by most vertebrates. ...
vertebrate - GEOCITIES.ws
... This first stage may have occurred through paedogenesis, the precocious development of sexual maturity in a larva. Changes in the timing of expression of genes controlling maturation of gonads may have led to a swimming larva with mature gonads before the onset of metamorphosis. If reproducing ...
... This first stage may have occurred through paedogenesis, the precocious development of sexual maturity in a larva. Changes in the timing of expression of genes controlling maturation of gonads may have led to a swimming larva with mature gonads before the onset of metamorphosis. If reproducing ...
Chapter 1
... – voyage of the HMS Beagle and Charles Darwin’s On the Origin of Species, theory on evolution through natural selection – discovery of deep sea organisms on retrieved transatlantic telegraph cable – This was a cable that was placed across the Atlantic for early communication (before the days of sate ...
... – voyage of the HMS Beagle and Charles Darwin’s On the Origin of Species, theory on evolution through natural selection – discovery of deep sea organisms on retrieved transatlantic telegraph cable – This was a cable that was placed across the Atlantic for early communication (before the days of sate ...
Chapter 1
... – voyage of the HMS Beagle and Charles Darwin’s On the Origin of Species, theory on evolution through natural selection – discovery of deep sea organisms on retrieved transatlantic telegraph cable – This was a cable that was placed across the Atlantic for early communication (before the days of sate ...
... – voyage of the HMS Beagle and Charles Darwin’s On the Origin of Species, theory on evolution through natural selection – discovery of deep sea organisms on retrieved transatlantic telegraph cable – This was a cable that was placed across the Atlantic for early communication (before the days of sate ...
Freshwater Organisms
... The American alligator is the largest reptile in North America. It can grow to more than 19 feet long. They inhabit the eastern part of Texas, and most of the Gulf of Mexico coast. They are found in rivers, swamps, lakes, and bayous, and can tolerate the brackish water of coastal marshes. During the ...
... The American alligator is the largest reptile in North America. It can grow to more than 19 feet long. They inhabit the eastern part of Texas, and most of the Gulf of Mexico coast. They are found in rivers, swamps, lakes, and bayous, and can tolerate the brackish water of coastal marshes. During the ...
Ch 27 Animal Systems I
... Carbon dioxide diffuses out of capillaries into the lungs Oxygen-poor air is then exhaled. ...
... Carbon dioxide diffuses out of capillaries into the lungs Oxygen-poor air is then exhaled. ...
27.2_Respiration
... Carbon dioxide diffuses out of capillaries into the lungs Oxygen-poor air is then exhaled. ...
... Carbon dioxide diffuses out of capillaries into the lungs Oxygen-poor air is then exhaled. ...
Some General Features of Animals
... • ______________-Contains fat rich nutrients (develops into allantois in mammals) ...
... • ______________-Contains fat rich nutrients (develops into allantois in mammals) ...
Click here to the PPT
... All animal movement depends on the use of muscles. Whether the movement is as simple as opening the eyes or as complex as running the high hurdles at a track event, each is the result of a complex series of electrical, chemical, and physical interactions involving the brain, the central nervous sys ...
... All animal movement depends on the use of muscles. Whether the movement is as simple as opening the eyes or as complex as running the high hurdles at a track event, each is the result of a complex series of electrical, chemical, and physical interactions involving the brain, the central nervous sys ...
Chapter 17 Amphibians
... Overview of the Evolution of Vertebrates • 1st vertebrates evolved in oceans ~470 mya – hinged-jaw ~410 mya – amphibians on land ~300 mya – reptiles take over ~248 mya – split into birds & mammals ...
... Overview of the Evolution of Vertebrates • 1st vertebrates evolved in oceans ~470 mya – hinged-jaw ~410 mya – amphibians on land ~300 mya – reptiles take over ~248 mya – split into birds & mammals ...