Q:The fossil record supports the seamless transition of ancestor species into descendant species. True or false

Describe the parts of a phylogeny, and interpret it (e.g., identify a given taxon's sister taxon, and correctly identify the order of diversification events)

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Ancestral organisms can reside in the same areas as derived organisms. True False

Based on the maximum body volume of organisms preserved in the fossil record, body volume (as measured in log mm ) has increased over the last 3.5 billion years. The trend in growth over time is depicted in the graph where the x-axis is a measure of time in millions of years ago. Three boxes, each associated with a vertical dotted line that marks specific time points along the x-axis, have been provided. Place a check mark in the boxes to indicate when drastic increases in atmospheric oxygen are likely to have occurred. Body volume (log mm³) 4,000 2,000 1,000 Time (millions of years ago) 3,000 O Answer Bank ✓

Part I: Construct a phylogeny Below is a list of seven hypothetical, currently-living species (A-G), and eleven of their character states (i.e., traits). You will use these traits to construct your tree. Species Character states green еyes green no no egg wings claws hair A scales tail carnivore teeth spots horns layer green eyes green no egg В scales wings horns tail carnivore hair teeth spots claws layer egg layer green green no no scales wings claws tail carnivore hair spots eyes horns teeth no no no egg no no scales red eyes wings claws layer no tail carnivore spots horns hair teeth no no egg layer no no E spots red eyes horns scales claws tail carnivore wings hair teeth no no no live no F spots red eyes wings claws carnivore tail hair scales horns birth teeth no no no live no G spots red eyes wings claws tail herbivore hair scales horns birth teeth Assume that the extinct ancestor of this group, at the root of the phylogenetic tree, had the following features: no spots, no scales,…

Topic: Galapagos Finches Darwin’s readings took him to a predictive theory of how species might change with time: what later thinkers have called microevolution. Darwin’s philosophical worldview then took him beyond his evidence to a conviction that environmental constraints could create whole new structures and organisms. Soon Darwin’s theory of macroevolution replaced the Creator with an environment that could create solely by constraint. For your thread: According to Chapter 13 section 13.1, define microevolution and macroevolution. The Galapagos islands have a great diversity of landscapes – from lush vegetation to nearly barren lava fields yet the Galapagos Finches survive on each island. How can this be explained? Using the varying bills of the Galapagos Finches in figure 13.3 and additional research, explain how microevolution is evidenced.

Different species of lizard living in similar environments have similar characteristics. This is a good example of _________.    OPTIONS:    dewlap • ecomorph • adaptation • adaptive radiation • biological fitness • ecological niche • endemic species • mechanisms of evolutionary change (natural selection, genetic drift, gene flow, mutation) • mechanisms of reproductive isolation  • natural & sexual selection • phylogeny, convergent evolution, divergent evolution • population • speciation