Figure 32.12 Comparing the molecular based and grade
... Mammary glands in the females to provide milk to young Legs lost in some (marine mammals) Amniote embryo, but does not develop a shell Variety of feeding mechanisms ...
... Mammary glands in the females to provide milk to young Legs lost in some (marine mammals) Amniote embryo, but does not develop a shell Variety of feeding mechanisms ...
File
... Gills are specialized for the exchange of gases. Gills have a large surface area in contact with a rich supply of blood vessels. Oxygen from the water diffuses into the blood vessels of the gills. Carbon dioxide in the blood diffuses across the surface of the gills into the external environment. Aq ...
... Gills are specialized for the exchange of gases. Gills have a large surface area in contact with a rich supply of blood vessels. Oxygen from the water diffuses into the blood vessels of the gills. Carbon dioxide in the blood diffuses across the surface of the gills into the external environment. Aq ...
chapter 4 animal kingdom
... All vertebrates are chordates but not all chordates are vertebrates(all vertebrates have vertebral column, but all chordates do not have vertebral chord). ...
... All vertebrates are chordates but not all chordates are vertebrates(all vertebrates have vertebral column, but all chordates do not have vertebral chord). ...
2006 Bio153 Lab 5: Major Phyla of Invertebrates Before you leave
... (Phylum Mollusca) burrow and move within sand and silt substrates by means of a flexible muscular foot that protrudes from between their shells. The bivalve’s bloodfilled body cavity extends into the foot. Blood can be pumped into the foot cavity, and the foot muscles act against this fluid skeleton ...
... (Phylum Mollusca) burrow and move within sand and silt substrates by means of a flexible muscular foot that protrudes from between their shells. The bivalve’s bloodfilled body cavity extends into the foot. Blood can be pumped into the foot cavity, and the foot muscles act against this fluid skeleton ...
The Worms - KCI-SBI3U
... Segmentation • The division of the body into repetitive sections e.g. worms and scorpions • A single segment can be damaged, but the other segments can continue to function properly • Mobility is more effective because segments move independently ...
... Segmentation • The division of the body into repetitive sections e.g. worms and scorpions • A single segment can be damaged, but the other segments can continue to function properly • Mobility is more effective because segments move independently ...
CHAPTER 4 copy - WordPress.com
... Subphyla Urochordata and Cephalochordata are often referred to as protochordates. ...
... Subphyla Urochordata and Cephalochordata are often referred to as protochordates. ...
Phylum Cnidaria: Hydroids, jellyfish, anemones, corals.
... a. mouth often with oral arms. 3. body wall also diploblastic a. highly thickened meosglea - forms bell. ...
... a. mouth often with oral arms. 3. body wall also diploblastic a. highly thickened meosglea - forms bell. ...
he SEA iVettk of Chesapeahe
... (each individual is both male and female), but selffertilization is not possible. They mate and then both lay eggs in a jelly-like coiled string that is draped loosely on plants, hydroids, or shells, from late May through November. They hatch in less than a week. The larvae, or veligers, each bearin ...
... (each individual is both male and female), but selffertilization is not possible. They mate and then both lay eggs in a jelly-like coiled string that is draped loosely on plants, hydroids, or shells, from late May through November. They hatch in less than a week. The larvae, or veligers, each bearin ...
Cephalopods: Squid, Octopus, Cuttlefish, and Nautilus
... Rows of ______________ from base to tip (________ per tentacle!) Compact body with no _____________ Body is extremely ___________________ and streamlined when _________________ (can fit through a hole the size of a ___________!) ____________ feeders on bivalves, crabs and ____________ Get around by ...
... Rows of ______________ from base to tip (________ per tentacle!) Compact body with no _____________ Body is extremely ___________________ and streamlined when _________________ (can fit through a hole the size of a ___________!) ____________ feeders on bivalves, crabs and ____________ Get around by ...
Classification Kingdom Animalia Answers
... a) Habitat: arthropods are found in all environments. b.) Numbers: Arthropods are the most successful of any animal group. This is mainly due to the success of insects, which has more than a million different species. c.) Body Plan: Arthropods have a segmented body with paired jointed appendages th ...
... a) Habitat: arthropods are found in all environments. b.) Numbers: Arthropods are the most successful of any animal group. This is mainly due to the success of insects, which has more than a million different species. c.) Body Plan: Arthropods have a segmented body with paired jointed appendages th ...
Keep in mind, names of gut regions and structures are not
... Has led to the enhancement of neuromuscular systems ...
... Has led to the enhancement of neuromuscular systems ...
Chapter 03
... The scarcity of pre-Cambrian fossils led systematists to search for clues about the evolutionary history of animals by examining features of • Anatomy • Embryological development • DNA sequences ...
... The scarcity of pre-Cambrian fossils led systematists to search for clues about the evolutionary history of animals by examining features of • Anatomy • Embryological development • DNA sequences ...
Internal transport
... • 3 distinct parts to all mollusk bodies: – Visceral mass – soft-bodied part containing organs – Foot – muscular part used for movement – Mantle – membrane covering visceral mass; in some molluscs, it secretes the shell • Molluscan groups are distinguished by a modification of the foot. ...
... • 3 distinct parts to all mollusk bodies: – Visceral mass – soft-bodied part containing organs – Foot – muscular part used for movement – Mantle – membrane covering visceral mass; in some molluscs, it secretes the shell • Molluscan groups are distinguished by a modification of the foot. ...
Kingdom Animalia: Phyla Porifera and Cnidaria
... Members of the largely marine Phylum Cnidaria are considered to be more "advanced" than the poriferans for two major reasons. First, they are the first animal to show multicellular layers, i.e. tissue level organization, although they have no organs. Second, the adult forms are derived from two dist ...
... Members of the largely marine Phylum Cnidaria are considered to be more "advanced" than the poriferans for two major reasons. First, they are the first animal to show multicellular layers, i.e. tissue level organization, although they have no organs. Second, the adult forms are derived from two dist ...
19.4 Molluscs, Annelids, and Arthropods
... All molluscs have a body with at least 3 parts. 1. Visceral mass – internal organs 2. Foot – muscular portion used for locomotion 3. Mantle – envelopes but does not enclose visceral mass ...
... All molluscs have a body with at least 3 parts. 1. Visceral mass – internal organs 2. Foot – muscular portion used for locomotion 3. Mantle – envelopes but does not enclose visceral mass ...
ANIMAL BIOLOGY LABORATORY Lab 9: Phylum Chordata
... • Placoid scales are small, conical in shape (almost tooth-like). They characterize the Chondrichthyes. • Ganoid scales are diamond shaped and present in primitive bony fishes like the gar. • Cycloid and Ctenoid, they characterize modern bony fish (teleosts). These are thin and flexible. ...
... • Placoid scales are small, conical in shape (almost tooth-like). They characterize the Chondrichthyes. • Ganoid scales are diamond shaped and present in primitive bony fishes like the gar. • Cycloid and Ctenoid, they characterize modern bony fish (teleosts). These are thin and flexible. ...
Internal transport
... • 3 distinct parts to all mollusk bodies: – Visceral mass – soft-bodied part containing organs – Foot – muscular part used for movement – Mantle – membrane covering visceral mass; in some molluscs, it secretes the shell • Molluscan groups are distinguished by a modification of the foot. ...
... • 3 distinct parts to all mollusk bodies: – Visceral mass – soft-bodied part containing organs – Foot – muscular part used for movement – Mantle – membrane covering visceral mass; in some molluscs, it secretes the shell • Molluscan groups are distinguished by a modification of the foot. ...
Taking a Brief Look to the Phylum Cnidaria
... contact. Nerves inform cnidocytes when odors from prey or attackers are detected and when neighbouring cnidocytes fire. Most of the communications between nerve cells are via chemical synapses, small gaps across which chemicals flow. As this process is too slow to ensure that the muscles round the r ...
... contact. Nerves inform cnidocytes when odors from prey or attackers are detected and when neighbouring cnidocytes fire. Most of the communications between nerve cells are via chemical synapses, small gaps across which chemicals flow. As this process is too slow to ensure that the muscles round the r ...
Kingdom animalia
... entering a cavity called Spongocoel The spongocoel is lined with feeding cells called choanocytes ...
... entering a cavity called Spongocoel The spongocoel is lined with feeding cells called choanocytes ...
Bilaterally Symmetrical Worms
... seaweed, cemented mud particles, sand grains, or tiny fragments of shells • Tube dwelling have reduced parapodia • Have tentacles which have cilia and mucus that catch organic particles and move them to their mouths • Some use feathery tentacles covered with cilia to capture, sort, and transport par ...
... seaweed, cemented mud particles, sand grains, or tiny fragments of shells • Tube dwelling have reduced parapodia • Have tentacles which have cilia and mucus that catch organic particles and move them to their mouths • Some use feathery tentacles covered with cilia to capture, sort, and transport par ...
Powerpoint, 6 MB
... fish can quickly boom and then crash when their own food supply runs out. • Yet despite their importance to the marine ecosystem, and by extension to commercial fisheries, surprisingly little is known about the life history, habits and numbers of the world’s sharks, and surprisingly few efforts have ...
... fish can quickly boom and then crash when their own food supply runs out. • Yet despite their importance to the marine ecosystem, and by extension to commercial fisheries, surprisingly little is known about the life history, habits and numbers of the world’s sharks, and surprisingly few efforts have ...
Phylum Cnidaria - Ms.Feld's Science
... The mouth, also the anus of the sea anemone, is in the middle of the oral disc surrounded by tentacles armed. The venom is a mix of toxins, including neurotoxins, that paralyzes the prey so the anemone can move it to the mouth for digestion inside the gastrovascular cavity. ...
... The mouth, also the anus of the sea anemone, is in the middle of the oral disc surrounded by tentacles armed. The venom is a mix of toxins, including neurotoxins, that paralyzes the prey so the anemone can move it to the mouth for digestion inside the gastrovascular cavity. ...