Taking a Brief Look to the Phylum Cnidaria
... Cnidaria have no brains or even central nervous systems. Instead they have decentralized nerve nets consisting of: sensory neurons that generate signals in response to various types of stimulus, such as odors; motor neurons that tell muscles to contract; all connected by "cobwebs" of intermediate ne ...
... Cnidaria have no brains or even central nervous systems. Instead they have decentralized nerve nets consisting of: sensory neurons that generate signals in response to various types of stimulus, such as odors; motor neurons that tell muscles to contract; all connected by "cobwebs" of intermediate ne ...
Key Stage 3 Biology Specification
... • Describe how cells in the leaf and root are adapted for photosynthesis and for taking in water • Learn about the importance of photosynthesis to humans and other animals • Describe the relationship between photosynthesis and respiration in plants Unit 9D: Plants for Food • Learn about humans as pa ...
... • Describe how cells in the leaf and root are adapted for photosynthesis and for taking in water • Learn about the importance of photosynthesis to humans and other animals • Describe the relationship between photosynthesis and respiration in plants Unit 9D: Plants for Food • Learn about humans as pa ...
CSEC Biology Revision Guide Answers.indd
... membrane-bound organelles such as mitochondria found in other cells. Instead of a true nucleus, their DNA would be seen in a region called the nucleoid which would lack a nuclear membrane, and also in smaller regions called plasmids throughout their cytoplasm. ...
... membrane-bound organelles such as mitochondria found in other cells. Instead of a true nucleus, their DNA would be seen in a region called the nucleoid which would lack a nuclear membrane, and also in smaller regions called plasmids throughout their cytoplasm. ...
Invertebrates 2 Cladograms Cladograms Cladograms Cladistics
... 1. Key Innovations are radial symmetry and a tissue-level of organization (still no organs) 2. Diploblastic – have only two embryonic tissues (ectoderm and endoderm) 3. Have a sac-like gut 4. Two body forms – polyp and medusa polyp is sessile and benthic, medusa is planktonic ...
... 1. Key Innovations are radial symmetry and a tissue-level of organization (still no organs) 2. Diploblastic – have only two embryonic tissues (ectoderm and endoderm) 3. Have a sac-like gut 4. Two body forms – polyp and medusa polyp is sessile and benthic, medusa is planktonic ...
Introduction to Invertebrates
... CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-content, web-based collaborative model termed the FlexBook®, CK-12 intends to pioneer the generation and distribution of high-quality ...
... CK-12 Foundation is a non-profit organization with a mission to reduce the cost of textbook materials for the K-12 market both in the U.S. and worldwide. Using an open-content, web-based collaborative model termed the FlexBook®, CK-12 intends to pioneer the generation and distribution of high-quality ...
Local.brookings.k12.sd.us
... 21. All of the following correctly describe the fate of the embryonic layers of a vertebrate EXCEPT (A) neural tube and epidermis develop from ectoderm (B) linings of digestive organs and lungs develop from endoderm (C) notochord and kidneys develop from endoderm (D) skeletal muscles and heart devel ...
... 21. All of the following correctly describe the fate of the embryonic layers of a vertebrate EXCEPT (A) neural tube and epidermis develop from ectoderm (B) linings of digestive organs and lungs develop from endoderm (C) notochord and kidneys develop from endoderm (D) skeletal muscles and heart devel ...
A - Pompton Lakes School District
... Students should observe heat generated by consumers and decomposers. Discussions of ecosystems can both contribute to and be reinforced by students' understanding of the systems concept in general. This level is also a time to ask what this knowledge of the flow of matter and energy through living s ...
... Students should observe heat generated by consumers and decomposers. Discussions of ecosystems can both contribute to and be reinforced by students' understanding of the systems concept in general. This level is also a time to ask what this knowledge of the flow of matter and energy through living s ...
Student Study Guide
... - To prevent dehydration, fish must constantly work to expel salt from their tissues and increase the concentration of water molecules. They do this by drinking large volumes of seawater and expelling the salt through their gills. - Some organisms, like sharks and rays, have body fluids that have sa ...
... - To prevent dehydration, fish must constantly work to expel salt from their tissues and increase the concentration of water molecules. They do this by drinking large volumes of seawater and expelling the salt through their gills. - Some organisms, like sharks and rays, have body fluids that have sa ...
chapter 12 (13)
... their body temperatures will vary with changes in their environment. These organisms are ectotherms. In cold water, metabolic rates will usually be lower and growth rates of organisms will be slower, although they can attain larger sizes. The opposite will be true in warm water. Warm-blooded organis ...
... their body temperatures will vary with changes in their environment. These organisms are ectotherms. In cold water, metabolic rates will usually be lower and growth rates of organisms will be slower, although they can attain larger sizes. The opposite will be true in warm water. Warm-blooded organis ...
Biology I Pacing Guide Revised February 2013
... B.2.3 Explain that most cells contain mitochondria, the key sites of cellular respiration, where stored chemical energy is converted into useable energy for the cell and some cells, including many plant cells, contain chloroplasts, the key sites of photosynthesis, where the energy of light is captur ...
... B.2.3 Explain that most cells contain mitochondria, the key sites of cellular respiration, where stored chemical energy is converted into useable energy for the cell and some cells, including many plant cells, contain chloroplasts, the key sites of photosynthesis, where the energy of light is captur ...
the classification of living organisms
... Living organisms can be grouped according to the things that they have in common. Classification is sorting living organisms into groups, based on their similarities. Living organisms are sorted and classified according to characteristics that they share. Early-day classification systems were based ...
... Living organisms can be grouped according to the things that they have in common. Classification is sorting living organisms into groups, based on their similarities. Living organisms are sorted and classified according to characteristics that they share. Early-day classification systems were based ...
chapter 12 (13)
... - To prevent dehydration, fish must constantly work to expel salt from their tissues and increase the concentration of water molecules. They do this by drinking large volumes of seawater and expelling the salt through their gills. - Some organisms, like sharks and rays, have body fluids that have sa ...
... - To prevent dehydration, fish must constantly work to expel salt from their tissues and increase the concentration of water molecules. They do this by drinking large volumes of seawater and expelling the salt through their gills. - Some organisms, like sharks and rays, have body fluids that have sa ...
Coevolution webquest
... Many plants have developed defenses against the organisms that try and feed on them. Research plant adaptations and give two examples of how a plant and another organism have coevolved together. Please include a picture of both organisms as well. ...
... Many plants have developed defenses against the organisms that try and feed on them. Research plant adaptations and give two examples of how a plant and another organism have coevolved together. Please include a picture of both organisms as well. ...
Zoology - Cardinal Newman
... The ectoderm forms from the outer layer of cells. It gives rise to the skin and nervous system. The endoderm made of cells that form the tube-like structure in the gastrula. These cells will form the lining of the digestive system and the majority of the respiratory system. The Mesoderm forms betwee ...
... The ectoderm forms from the outer layer of cells. It gives rise to the skin and nervous system. The endoderm made of cells that form the tube-like structure in the gastrula. These cells will form the lining of the digestive system and the majority of the respiratory system. The Mesoderm forms betwee ...
1 ANATOMY RS#9 August 14, 2008 JR Churchill, Ph.D. 9:00
... The proteoglycan family of proteins is large and varied in structure and function. Grouping them together is similar to grouping all phosphorylated proteins together, however some general features make it convenient to consider them as a group. They are major constituents of cartilage, loose CT and ...
... The proteoglycan family of proteins is large and varied in structure and function. Grouping them together is similar to grouping all phosphorylated proteins together, however some general features make it convenient to consider them as a group. They are major constituents of cartilage, loose CT and ...
Evolution and Taxonomy Outline
... processes and patterns. (DOK 3) c. Research and summarize the contributions of scientists, (including Darwin, Malthus, Wallace, Lamarck, and Lyell) whose work led to the development of the theory of evolution. (DOK 2) d. Analyze and explain the roles of natural selection, including the mechanisms of ...
... processes and patterns. (DOK 3) c. Research and summarize the contributions of scientists, (including Darwin, Malthus, Wallace, Lamarck, and Lyell) whose work led to the development of the theory of evolution. (DOK 2) d. Analyze and explain the roles of natural selection, including the mechanisms of ...
Lab Topic 18 - MDC Faculty Web Pages
... mud flat environments and on the ocean floor • They burrow in sediments during the day and emerge at night to feed • As you observe the clamworm, note features that are characteristic of all annelids, as well as features that are special adaptations to the marine ...
... mud flat environments and on the ocean floor • They burrow in sediments during the day and emerge at night to feed • As you observe the clamworm, note features that are characteristic of all annelids, as well as features that are special adaptations to the marine ...
Time - Henry County Schools
... 3. How do organisms show interdependence in an ecosystem? 4. How do environmental conditions shape successional changes in an ecosystem? 5. How do human activities impact the ...
... 3. How do organisms show interdependence in an ecosystem? 4. How do environmental conditions shape successional changes in an ecosystem? 5. How do human activities impact the ...
Evolution of Animal Body Plan
... move through the rest of the They do not have symmetry, sponge, where the food passes germ layers, or any other to remaining cells again by characteristics of more highly diffusion. evolved animals. Sponges are filter feeders that • Sponges maintain their shapes because they have stiff fibers live o ...
... move through the rest of the They do not have symmetry, sponge, where the food passes germ layers, or any other to remaining cells again by characteristics of more highly diffusion. evolved animals. Sponges are filter feeders that • Sponges maintain their shapes because they have stiff fibers live o ...
Answer Key - Earl Haig Secondary School
... considered threatened. Now that the forest dwellers have been reclassified, the number of each type of elephant has been drastically reduced. Please consider declaring that both species of elephant are endangered so that we don’t lose either species. Yours truly, Student Body 10. Sample answer: Soci ...
... considered threatened. Now that the forest dwellers have been reclassified, the number of each type of elephant has been drastically reduced. Please consider declaring that both species of elephant are endangered so that we don’t lose either species. Yours truly, Student Body 10. Sample answer: Soci ...
AP Animals
... Major Invertebrate Phyla Sponges were formerly called “Porifera” and are organisms that have the following characteristics: Suspension feeding (capturing food from the water as it travels through the body Pores on the outer surface pull in water and send it out through the spongocoel and it’s ...
... Major Invertebrate Phyla Sponges were formerly called “Porifera” and are organisms that have the following characteristics: Suspension feeding (capturing food from the water as it travels through the body Pores on the outer surface pull in water and send it out through the spongocoel and it’s ...
Paleozoic Life
... records the “Explosion of Life.” All known phyla had appeared by then. • A phylum is a major body plan. Examples: Mollusca, Annelida, Arthropoda, Chordata, etc. ...
... records the “Explosion of Life.” All known phyla had appeared by then. • A phylum is a major body plan. Examples: Mollusca, Annelida, Arthropoda, Chordata, etc. ...
Outline 14: Paleozoic Life
... records the “Explosion of Life.” All known phyla had appeared by then. • A phylum is a major body plan. Examples: Mollusca, Annelida, Arthropoda, Chordata, etc. ...
... records the “Explosion of Life.” All known phyla had appeared by then. • A phylum is a major body plan. Examples: Mollusca, Annelida, Arthropoda, Chordata, etc. ...
PACT Review for 7th Grade Science
... A group of specialized cells that work together to perform the same function. There are four basic types of tissue in the human body: Nerve tissue—carries impulses back and forth to the brain from the body Muscle tissue—contracts and shortens, making body parts move Epithelial tissue—covers th ...
... A group of specialized cells that work together to perform the same function. There are four basic types of tissue in the human body: Nerve tissue—carries impulses back and forth to the brain from the body Muscle tissue—contracts and shortens, making body parts move Epithelial tissue—covers th ...
Flatworms Quiz Answers
... 8. How are nutrients distributed throughout the flatworm? a) Nutrients are carried by the blood through the flatworm. b) Nutrients are distributed by diffusion. c) Nutrients are distributed by the digestive tract. d) Nutrients are distributed by the gastrovascular cavity. ...
... 8. How are nutrients distributed throughout the flatworm? a) Nutrients are carried by the blood through the flatworm. b) Nutrients are distributed by diffusion. c) Nutrients are distributed by the digestive tract. d) Nutrients are distributed by the gastrovascular cavity. ...
Precambrian body plans
Until the late 1950’s, the Precambrian era was not believed to have hosted multicellular organisms. However, with radiometric dating techniques, it has been found that fossils initially found in the Ediacara Hills in Southern Australia date back to the late Precambrian era. These fossils are body impressions of organisms shaped like disks, fronds and some with ribbon patterns that were most likely tentacles.These are the earliest multicellular organisms in Earth’s history, despite the fact that unicellularity had been around for a long time before that. The requirements for multicellularity were embedded in the genes of some of these cells, specifically choanoflagellates. These are thought to be the precursors for all multicellular organisms. They are highly related to sponges (Porifera), which are the simplest multicellular organisms.In order to understand the transition to multicellularity during the Precambrian, it is important to look at the requirements for multicellularity—both biological and environmental.