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How to construct an evolutionary tree: Simplest way: the principle of parsimony Find the shortest number of evolutiona

How to construct an evolutionary tree: Simplest way: the principle of parsimony Find the shortest number of evolutiona

How to construct an evolutionary tree: Simplest way: the principle of parsimony Find the shortest number of evolutionary steps to explain the differences between species. Example: an evolutionary tree for mammals Here is an unparsimonious evolutionary tree:

By Jeffrey
(539 views)

Parasites

Parasites

Parasites. What is a parasite?. Parasitism is a type of symbiotic relationship between two different organisms. The parasite benefits from a prolonged, close association with the host, which is harmed Many possess special adaptations. Tapeworms. Tapeworms. Up to 35 feet long

By sandra_john
(547 views)

Grasshopper Dissection

Grasshopper Dissection

Grasshopper Dissection. Life Science/Mr. Ditolla. Arthropods. Arthropods make up the largest phylum of animals in the animal kingdom. Arthropod means “jointed foot”. All arthropods have jointed appendages . Arthropods also

By marlie
(694 views)

Bellringer

Bellringer

Bellringer. 5 minutes to finish your study guide We will go over the answers together in class. Ch 25-29 & 33 Animals Study Guide Answers!!!. Vocab. Amniotic egg: reproductive organ surrounded by amniotic fluid and membranes for protection

By vesta
(189 views)

Is this an insect?

Is this an insect?

Is this an insect?. Is this an insect?. Insects are beautiful. Some insects sting!. What are the characteristics of insects?. Insects have compound eyes. Insects have antennae. Insects have legs. How many legs do insects have?. Not all animals have legs.

By halden
(239 views)

From Pilgrim at Tinker Creek

From Pilgrim at Tinker Creek

From Pilgrim at Tinker Creek. He heaved himself down the asphalt driveway by infinite degrees, unwavering. His hideous crumpled wings lay glued and rucked on his back, perfectly still now, like a collapsed tent. From Pilgrim at Tinker Creek Continued. The bell rang twice;

By wiley
(217 views)

Basic Functions of the Structures of Animals

Basic Functions of the Structures of Animals

Basic Functions of the Structures of Animals. SC Standard 6-3.2  Summarize the basic function of the structures of animals that allow them to defend themselves, to move, and to obtain resources. What are ADAPTATIONS?.

By linore
(128 views)

Grasshopper Dissection

Grasshopper Dissection

Grasshopper Dissection. Arthropods. Arthropods make up the largest phylum of animals in the animal kingdom. Arthropod means “jointed foot”. All arthropods have jointed appendages . Arthropods also have segmented bodies and an external covering called an exoskeleton . . Insects.

By cain
(305 views)

Additional presentation for Duke of Edinburgh Award Expedition

Additional presentation for Duke of Edinburgh Award Expedition

Additional presentation for Duke of Edinburgh Award Expedition. Signs of dislocation:. dislocation recognition. > severe pain > u nable to move the joint > s welling and bruising > s hortening or deformity. dislocated kneecap. Normal. Dislocated. How do you treat a dislocation?

By bond
(116 views)

ORDER DIPTERA

ORDER DIPTERA

ORDER DIPTERA. Reduced hind wings Suction mouths Larvae called maggots. Order hymenoptera. Two pair – membrane wings Chewing mouth parts Females can sting. Order mantodea. Large insect Long spiny front legs Carnivore – bug control. Order ephemeroptera. Large hind wings

By mikel
(869 views)

Zoology – Arthropod Unit

Zoology – Arthropod Unit

Zoology – Arthropod Unit. Chapter 18 Arthropods Chapter 19 Crustaceans Chap.20 Terrestrial Arthropods. Chapter 18 Objectives. 1. Identify characteristics distinguishing phylum Arthropoda 2. Discuss adaptations characteristic of the phylum Arthropoda with regard to

By dayo
(182 views)

Arthropods

Arthropods

Arthropods. Chapter 13 Section 3. Arthropods. Jointed appendages, Bilateral symmetry Segmented bodies Exoskeleton Body cavity Digestive system with two openings Nervous sytsem MOST have separate sexes (not hermaphrodites). Arthropods.

By annora
(189 views)

the Animal kingdom

the Animal kingdom

the Animal kingdom. A Summary of Chapters 26-34. What is an animal?. Kingdom Animalia Multicellular Eukaryotic Heterotrophs No cell walls. Animal Evolution. Complex animals High levels of cell specialization Internal body organization Bilateral symmetry Cephalization Body cavity.

By waldo
(209 views)

Lepidoptera

Lepidoptera

Lepidoptera. By Nada Abudawood. What is Lepidoptera?.

By zena
(317 views)

Insect Communication

Insect Communication

Insect Communication. A. Sound Communication 1.intraspecies 2.interspecies B. Chemical Communication 1.pheromones 2.allomones 3.kairomones C. Visual Communication

By inoke
(2050 views)

Entomology Practice

Entomology Practice

Entomology Practice. 04/02/13. Order: Metamorphosis : Holometabolous Mouth Parts: Chewing Significance :. 5. Armored Scale. Order: Metamorphosis : Hemimetabolous Mouth Parts: Significance : Pest. 6. Assassin Bug. Order: Metamorphosis : Hemimetabolous Mouth Parts : Significance:.

By chaney
(110 views)

Mealy Bugs

Mealy Bugs

Mealy Bugs. Beetle. Fungus Gnats. Thrips. White Flies. Snail. Nematodes. Spider Mites. Slugs. Scales. Aphids. Body Parts. Chewing Mouth Parts.

By jaegar
(255 views)

Ant

Ant

Ian and Cayla. Ant. Three Parts of Insects. There are three main parts of an insect: the head, thorax, and abdomen. An insect’s head contains the eyes, antennas, and mouth parts. Sizes of Insects. The biggest insect is the walking stick. The walking stick is 30 in. long.

By dulcea
(186 views)

Natural Selection vs. Selective Breeding

Natural Selection vs. Selective Breeding

Natural Selection vs. Selective Breeding . Environmental and Human Influences . Natural Selection . Selective Breeding . Process by which organisms that are most suited to their environment survive and reproduce most successfully. .

By havyn
(264 views)

Unit 8 Invertebrates

Unit 8 Invertebrates

Unit 8 Invertebrates. Ch. 28 Arthropods & Echinoderms. What Is an Arthropod?. Arthropods have a segmented body, a tough exoskeleton, & jointed appendages Includes: insects, crabs, centipedes, & spiders. What Is an Arthropod?.

By drago
(119 views)

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