The Biological Species Concept states that O If organisms have greater than 99% DNA similarity, they are the same species If organisms have the same number of chromosomes, they are the same species If organisms can breed together and produce fertile offspring, they are members of the same species Organisms with a high degree of DNA similarity are closely related

Which of the following sets of evidence supports the idea that species share common ancestry?   Similar modern species are often found living in the same areas   Different species share similarities at the genetic, developmental, and structural level   Modern populations can be observed diverging from one another, indicating the start of speciation   All of the above

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In birds, where the female typically handpicks the male to reproduce with, there are clear differences in appearance between the genders. That difference in appearance is called Gender Binarism Runaway Selection Sexual Dimorphism Divergent Evolution

2020 Online Discussion B. Darwin's Theory Warm-Up Active Developing the Theory of Evolution WARM-UP What was Charles Darwin's contribution to the theory of evolution? O Charles Darwin was the first to express the belief that all living things are related. Charles Darwin believed that organisms had a goal to adapt and did so through the inheritance of acquired traits. Charles Darwin introduced the idea that organisms better adapted to their environment would tend to survive, reproduce, and increase in number. Charles Darwin developed the theory of population growth. DONE O Intro Activity DII 96 2, or go

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The second step of classification is using homologous traits to determine the relationships between organisms. Based on the traits you identified in Exercise 3, it should now be possible to group some of the objects together. Objects that share a derived trait are related to one another, and they should be grouped together. Objects that share multiple shared derived traits are closely related, and they should be subgroups within larger related groups.Describe the groups in which you would place these objects, starting with groups with the largest number of objects and ending with the group with the smallest number of objects.

Which of these is an example of a key innovation?   A caterpillar of a butterfly species provides honey to an ant colony in order to receive protection and care.   A founding population of honeycreepers evolves beaks capable of cracking the seed of a tree species in their new habitat.   A new flower color morph arises in a plant population, but an associated pollinator does not distinguish flowers by color.   Co-occurring diploid species of wheat and goatgrass hybridize to form a viable tetraploid offspring that can no longer breed with its parents.

Natural selection occurs when which of the following conditions are met? Individual organisms depend on each other to obtain available resources • Variations between individual organisms lead to differential survival chances Habitat and nutrient resources in an area are plentiful over a long period of time The conditions in an ecosystem support a wide range of living organisms

Explain how evolution of organisms/populations occurs as a step by step process (underline key words you know I am looking for). Include in your answer: • Evolution • Mutation • Genetic variation • Natural selection • Sexual selection • Gene drift • Gene flow • Fitness • Phenotype • Genotype