from mesoderm - Pine Plains Central School District
... Two-sided symmetry is called bilateral symmetry Bilaterally symmetrical animals have A dorsal (top) side and a ventral (bottom) side A right and left side Anterior (front) and posterior (back) ends Many also have sensory equipment, such as a brain, concentrated in their anterior end Ra ...
... Two-sided symmetry is called bilateral symmetry Bilaterally symmetrical animals have A dorsal (top) side and a ventral (bottom) side A right and left side Anterior (front) and posterior (back) ends Many also have sensory equipment, such as a brain, concentrated in their anterior end Ra ...
Target 1: Animal Body Plans and Phylogeny - APBio10-11
... internally fertilized, amniotic egg. This amniotic egg, first seen in reptiles as amphibians’ eggs are still externally developed, helps increase the chance that there is healthy off-spring. Also, the leathery egg and protects the reptile baby, the brittle egg that protects the bird baby and the pla ...
... internally fertilized, amniotic egg. This amniotic egg, first seen in reptiles as amphibians’ eggs are still externally developed, helps increase the chance that there is healthy off-spring. Also, the leathery egg and protects the reptile baby, the brittle egg that protects the bird baby and the pla ...
from mesoderm - HEDCen Science
... Symmetry • Animals can be categorized according to the symmetry of their bodies, or lack of it • Some animals have radial symmetry, with no front and back, or left and right ...
... Symmetry • Animals can be categorized according to the symmetry of their bodies, or lack of it • Some animals have radial symmetry, with no front and back, or left and right ...
Introduction to Animals
... • Endoskeleton inside and made of cartilage &/or bone • Exoskeletons found in arthropods – Cover the outside of the body – Limit size – Must be molted making animal vulnerable to predators ...
... • Endoskeleton inside and made of cartilage &/or bone • Exoskeletons found in arthropods – Cover the outside of the body – Limit size – Must be molted making animal vulnerable to predators ...
INVERTEBRATES 1.Have no inner skeleton or back bone (spinal
... -Attach themselves to -Radial symmetry rocks: *CORAL and *SEA (some) ANEMONE -Tentacles that can -Move About: sting you *MEDUSAS -More Examples: *JELLYFISH ARTHROPODS -Bilateral symmetry -MOLTING: from time -Bodies (legs and to time, they molt the antennae) totally exoskeleton and grow a covered by ...
... -Attach themselves to -Radial symmetry rocks: *CORAL and *SEA (some) ANEMONE -Tentacles that can -Move About: sting you *MEDUSAS -More Examples: *JELLYFISH ARTHROPODS -Bilateral symmetry -MOLTING: from time -Bodies (legs and to time, they molt the antennae) totally exoskeleton and grow a covered by ...
p •ot - wwphs
... 1. Return to the concept map or diagram you made in Chapter 32 of the broad groups in the kingdom Animalia. Review those evolutionary branch points and then add the major phyla included in each group. Include common examples of animals in each phylum. ...
... 1. Return to the concept map or diagram you made in Chapter 32 of the broad groups in the kingdom Animalia. Review those evolutionary branch points and then add the major phyla included in each group. Include common examples of animals in each phylum. ...
Wonders of the Earth
... A mouse has an especially reliable sense of smell, helping it to find food and avoid predators. ...
... A mouse has an especially reliable sense of smell, helping it to find food and avoid predators. ...
Chapter 4 The Chemical Basis of Life
... The fourth characteristic refers to how animals obtain nutrition most animals take food into their bodies and digest it there (called ingestion). ...
... The fourth characteristic refers to how animals obtain nutrition most animals take food into their bodies and digest it there (called ingestion). ...
File
... o Fern galls—enlarged cavities that resident insects stimulate fern plants to form, providing protection for the insects—date back to at least 302 million years ago, suggesting that insects and plants were influencing each other’s evolution by that time. ...
... o Fern galls—enlarged cavities that resident insects stimulate fern plants to form, providing protection for the insects—date back to at least 302 million years ago, suggesting that insects and plants were influencing each other’s evolution by that time. ...
ECOLOGY SPRING 2009 - Florida International University
... -1. Allows redundant organ systems in adults such as occurs in the annelids -2. Allows for more efficient and flexible movement because each segment can move independently Segmentation appeared several times in the evolution of animals ...
... -1. Allows redundant organ systems in adults such as occurs in the annelids -2. Allows for more efficient and flexible movement because each segment can move independently Segmentation appeared several times in the evolution of animals ...
Bio11 Animals Lower Invertebrates
... Jellyfish toxins include a poorly understood array of complex chemicals. Many have negative effects on cell membranes and cause them to rupture. This may, for example, lead to the breaking up of red blood cells, certainly not a desirable response to a sting. Other toxins have disruptive effects on ...
... Jellyfish toxins include a poorly understood array of complex chemicals. Many have negative effects on cell membranes and cause them to rupture. This may, for example, lead to the breaking up of red blood cells, certainly not a desirable response to a sting. Other toxins have disruptive effects on ...
5 SYSTEMATICS AND MORPHOLOGY Objectives After completing
... relationships has shaped up the discipline of systematics. ...
... relationships has shaped up the discipline of systematics. ...
Gray Whale Migration
... Migration is the regular movement of animals from one location to another. Prerequisites for migration: 1. Sustained movement 2. Physical endurance 3. Mechanisms for storing energy 4. Designated food sources on the migration route ...
... Migration is the regular movement of animals from one location to another. Prerequisites for migration: 1. Sustained movement 2. Physical endurance 3. Mechanisms for storing energy 4. Designated food sources on the migration route ...
Ch. 32
... o Fern galls—enlarged cavities that resident insects stimulate fern plants to form, providing protection for the insects—date back to at least 302 million years ago, suggesting that insects and plants were influencing each other’s evolution by that time. ...
... o Fern galls—enlarged cavities that resident insects stimulate fern plants to form, providing protection for the insects—date back to at least 302 million years ago, suggesting that insects and plants were influencing each other’s evolution by that time. ...
Class Notes
... o Fern galls—enlarged cavities that resident insects stimulate fern plants to form, providing protection for the insects—date back to at least 302 million years ago, suggesting that insects and plants were influencing each other’s evolution by that time. ...
... o Fern galls—enlarged cavities that resident insects stimulate fern plants to form, providing protection for the insects—date back to at least 302 million years ago, suggesting that insects and plants were influencing each other’s evolution by that time. ...
Animal classification
... Though all members of Animalia are multicellular, all of them do not exhibit the same pattern of organisation of cells. For example, in sponges, the cells are arranged as loose cell aggregates, i.e., they exhibit cellular level of organisation. Some division of labour (activities) occur among the ce ...
... Though all members of Animalia are multicellular, all of them do not exhibit the same pattern of organisation of cells. For example, in sponges, the cells are arranged as loose cell aggregates, i.e., they exhibit cellular level of organisation. Some division of labour (activities) occur among the ce ...
Arctic Animals
... Some animals hibernate during the cold season; they go into a very deep, sleep-like state in which their heartbeat slows down. These animals often hibernate in an underground burrow or pit. Some hibernators include skunks, chipmunks, and some bears (but these bears are not true hibernators, they go ...
... Some animals hibernate during the cold season; they go into a very deep, sleep-like state in which their heartbeat slows down. These animals often hibernate in an underground burrow or pit. Some hibernators include skunks, chipmunks, and some bears (but these bears are not true hibernators, they go ...
Chapter 13 Invertebrates with Coeloms
... into more efficient uptake of nutrients and release of wastes. • Flexibility of movement. Organs can slide past each other while animal is in motion. ...
... into more efficient uptake of nutrients and release of wastes. • Flexibility of movement. Organs can slide past each other while animal is in motion. ...
4/20 & 4/21 - 7th Grade Agenda
... Sponge Larva • Sponge reproduce asexually and sexually • Sponges do not have separate sexes • At any one time of the year, some sponges are producing eggs and others are producing sperms ...
... Sponge Larva • Sponge reproduce asexually and sexually • Sponges do not have separate sexes • At any one time of the year, some sponges are producing eggs and others are producing sperms ...
amazing - Museum at Prairiefire
... in order to extract energy from nutrients, and they acquire it in vastly different ways. Most amphibians lose their gills as they mature, but the axolotl never moves onto land and it retains its external feathery gills. Some Antarctic fishes absorb extra oxygen through very porous skin. An elephant ...
... in order to extract energy from nutrients, and they acquire it in vastly different ways. Most amphibians lose their gills as they mature, but the axolotl never moves onto land and it retains its external feathery gills. Some Antarctic fishes absorb extra oxygen through very porous skin. An elephant ...
Chapter 26: Animals – The Invertebrates
... Body cavity – between gut and body wall Coelom – unique tissue lining called peritoneum This lining also encloses organs and helps hold them in place (diaphragm) Some invertebrates don’t have a body cavity and tissues fill this region Pseudocoel (false coelom) – a body cavity with no perit ...
... Body cavity – between gut and body wall Coelom – unique tissue lining called peritoneum This lining also encloses organs and helps hold them in place (diaphragm) Some invertebrates don’t have a body cavity and tissues fill this region Pseudocoel (false coelom) – a body cavity with no perit ...
cleavage
... • The Cambrian explosion (535 to 525 million years ago) marks the earliest fossil appearance of many major groups of living animals • There are several hypotheses regarding the cause of the Cambrian explosion – New predator-prey relationships – A rise in atmospheric oxygen – The evolution of the Hox ...
... • The Cambrian explosion (535 to 525 million years ago) marks the earliest fossil appearance of many major groups of living animals • There are several hypotheses regarding the cause of the Cambrian explosion – New predator-prey relationships – A rise in atmospheric oxygen – The evolution of the Hox ...
Animal locomotion
Animal locomotion, in ethology, is any of a variety of movements that results in progression from one place to another. Some modes of locomotion are (initially) self-propelled, e.g. running, swimming, jumping, flying, soaring and gliding. There are also many animal species that depend on their environment for transportation, a type of mobility called passive locomotion, e.g. sailing (some jellyfish), kiting (spiders) and rolling (some beetles and spiders).Animals move for a variety of reasons, such as to find food, a mate, a suitable microhabitat, or to escape predators. For many animals, the ability to move is essential for survival and, as a result, natural selection has shaped the locomotion methods and mechanisms used by moving organisms. For example, migratory animals that travel vast distances (such as the Arctic tern) typically have a locomotion mechanism that costs very little energy per unit distance, whereas non-migratory animals that must frequently move quickly to escape predators are likely to have energetically costly, but very fast, locomotion.