'Unfertilized eggs' presentation slideshows

CHROMOSOME VARIATION

CHROMOSOME VARIATION. VARIATION IN CHROMOSOME NUMBER. Variations in Chromosome Number.

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Outline

Outline. Introduction to Ecology Evolution and Natural Selection Physiological Ecology Behavioural Ecology. Behavioural Ecology. Behavioural Ecology. The study of ecological and evolutionary processes that explain the occurrence and adaptive function of behaviour

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Today is Monday, January 2 nd , 2014 (!)

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Ensuring paternity Sheep blow fly, Lucilia cuprina box 5.4

Ensuring paternity Sheep blow fly, Lucilia cuprina box 5.4. Monogamous mating and eusociality. Mating system is central to the proposed evolution of eusociality (coming in ch . 12) Colonies of social insects (Hymenoptera, Isoptera ) Reproductive individuals (Queen, King, Drone)

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Further studies of behaviour

Option E.6. Further studies of behaviour. E.6.1 Describe the social organization of honey bee colonies and one other non-human example. E.6.2 Outline how natural selection may act at the level of the colony in the case of social organisms.

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Do the costs of synthetic pesticides outweigh their benefits ?

Do the costs of synthetic pesticides outweigh their benefits ? . Provide food for growing population. 1950s, easy control of insect pests Environmental harm Beluga whale carcass classified as hazardous waste More weeds today than in 1940 Human health effects

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Female reproductive system

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Chapter 33

Chapter 33. Invertebrates. Invertebrates. Lack a backbone Account for 95% of all known animal species. All but one of the 35 animal phyla. Porifera. Sponges are sedentary suspension feeders. They pass water through their pores and extract food. They are sessile. Radial Symmetry.

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Unit 8 Chapter 28 Arthropods

Unit 8 Chapter 28 Arthropods. What is an Arthropod?. Bilaterally symmetrical, segmented coelomates Segmented body, exoskeleton & jointed appendages Appendages = body outgrowths. What is an Arthropod?. Arthropods must molt (shed exoskeleton periodically)

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Fish Biology

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