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How do scientists use geographical distribution to determine the evolutionary relationship?
Organisms that are close geographically are usually more closely related than those that evolved in widely separated areas of the world.
What is the main different between organisms that share many characteristics and organism that do not?
The more derived characteristics organisms share,the greater their degree a kinship. For instance,a derived characteristic in plants is the presence of the vascular tissue.Although all organisms share similar traits.
Are modern birds more closely related to archaeopteryx or the first reptiles?
A evolutionary form of a bird. It had wings and feathers but still probably acted like a dinosaur but im not sure.
What generalization can you make about identifying how closely organisms are related?
if 2 or more organisms have more than one of the following the same, they are closley related: kingdom, phylum, class,order,family,genus,and species
Are reptiles more closely related to mammals or to fishes?
Reptiles are more closely related to mammals than to fishes. Reptiles and mammals are both part of the group called amniotes, characterized by their ability to lay eggs on land. Fish, on the other hand, are a separate group with distinct evolutionary lineages from reptiles and mammals.
Are humans more closely related to cats or dogs in terms of evolutionary history?
Humans are more closely related to cats than to dogs in terms of evolutionary history.
How do scientists use genetic evidence when classifying organisms?
Scientists use genetic evidence, such as DNA sequences, to compare the genetic similarities and differences among organisms. This information helps in determining evolutionary relationships and classifying organisms into different taxonomic groups. The more closely related two organisms are genetically, the more closely they are classified in terms of their evolutionary history.
True or False If two modern organisms are distantly related in an evolutionary sense then one should expect that they should share fewer homologous structures than two more closely related organisms?
True. The more distantly related two organisms are in evolutionary terms, the fewer homologous structures they are likely to share. Homologous structures are features that have a common evolutionary origin, so closely related organisms are expected to have more similarities in their structures compared to more distantly related organisms.
What is the evolutionary relationship of a specific species to other organisms on a phylogenetic tree node?
The evolutionary relationship of a specific species to other organisms on a phylogenetic tree node shows how closely related that species is to other organisms based on their common ancestry. The closer the species is on the tree node, the more closely related they are in terms of evolution.
The more classification levels that two organisms share?
The more classification levels two organisms share, the more closely related they are in terms of evolutionary history. Organisms that share many classification levels are likely to be more similar in terms of genetics, anatomy, and behavior.
What is an evolutionary?
If two organisms share an evolutionary relationship, that means that they have a common ancestor on the evolutionary tree. The more recently the shared common ancestor lived, the more closely related the two present organisms are, evolutionarily.
What is the evolutionary relationship of a specific species to other organisms within a phylogenetic tree node?
The evolutionary relationship of a specific species to other organisms within a phylogenetic tree node shows how closely related they are in terms of their common ancestry. The closer the species are on the tree, the more recent their shared ancestor.
What happens if two organisms share the same classification level?
If two organisms share the same classification level, it means they are more closely related in terms of evolutionary history. They likely have more recent common ancestors and share more similar characteristics compared to organisms that are classified in different levels. This classification system helps scientists understand the relationships between different organisms.
What does it mean for species to have an evolutionary relationship?
If two organisms share an evolutionary relationship, that means that they have a common ancestor on the evolutionary tree. The more recently the shared common ancestor lived, the more closely related the two present organisms are, evolutionarily.
Where are organisms that are closely related located on the tree of life?
Organisms that are closely related are located closer to each other on the tree of life. This means they share a more recent common ancestor compared to organisms that are more distantly related. The branching points on the tree of life represent the evolutionary relationships between different organisms.
What does it mean if two organisms share multiple classification levels?
If two organisms share multiple classification levels, it means they have similarities in their evolutionary history and genetic makeup. This suggests that they are closely related and likely share a common ancestor. Organisms that share more classification levels are more closely related than those that share fewer levels.
What is the difference between bacteria and archaea in terms of their genetic makeup and evolutionary history?
Bacteria and archaea are both types of single-celled microorganisms, but they differ in their genetic makeup and evolutionary history. Archaea have unique genetic characteristics that set them apart from bacteria, such as different cell membrane structures and genetic sequences. In terms of evolutionary history, archaea are believed to be more closely related to eukaryotes (organisms with complex cells) than to bacteria. This suggests that archaea and bacteria evolved separately and have distinct evolutionary paths.
