What is the term for a feature that allows an organism to survive better in its environment? *       a. variation       b. adaptation       c. homologous structure       d. vestigial structure 20. Charles Darwin found fossils that looked like ancient versions of living species. From this evidence Darwin suggested that Earth was *       a. much more than 6000 years old.       b. less than 6000 years old.       c. only 6000 years old.

Q: Why are homologous traits similar?   A. they result from genetic and developmental similarities.…

A: The evolution is the alteration in the gene pool of the population from one generation to the next…

Q: 30. When organisms develop similar features in environments that are geographically far apart but…

A: Ans: Convergent evolution

Q: 1. What is the term describing the process that occurs when a species evolves into a new species…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: According to "The Complex Evolution of Homo sapiens”, what two major things (or pieces of evidence)…

A: The objective of the question is to identify the two major pieces of evidence that confirm the…

Q: What does ancient DNA reveal about historic episodes of interaction between H. sapiens and…

A: Ancient DNA studies have shown that Neanderthals and Homo sapiens interbred multiple times. This is…

Q: According to "Our Earliest Ancestors", what time period is being discussed in this video?    A.The…

A: The Eocene, Miocene, Pleistocene, and Paleocene are all epochs in the geologic time scale. They are…

Q: Which of these steps probably occurred first in the chemical andbiological evolution of life?a. The…

A: All living organisms are made up of organic components like carbohydrates, proteins, lipids, etc.

Q: Match the description with the type of evidence of evolution they belong to. 1. Homologous…

A: Evolution is the change over time. It is the unifying theory of biological science. There are many…

Q: Which provides evidence for evolution (select the best possible answer out of all obtiene  A.…

A: Evolution:  Evolution is the shift in a biological population's heritable traits over successive…

Q: Imagine that some lizards from both islands are brought to a laboratory and lizards from each…

A: Evolution is a gradual change in species over time. It is a continuous process.

Q: Evolution results in an increase of organisms that are A. larger. B.…

A: Evolution is the process of change in all forms of life over generations, including the gradual…

Q: which statement about macroevolution is true? a. The history of life on Earth follows a general…

A: ANSWER;- c). The theory of gradualism proposes that major evolutionary changes that happen…

Q: Why was the Mesozoic era extinction significant to the history of mammals? a. As photosynthesis…

A: The Mesozoic era is referred to as the age of the dinosaurs which were dominant during this period…

Q: Refer to the evolutionary tree in the diagram. Ducks and blue jays are both types of birds.  Which…

A: Introduction :- There are two main approaches to classify the organism's :- phenetics approach and…

Q: The process by which evolution occurs is calleda. natural selection. b. development.  c.…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: The biological variation in living primates provides models for understanding A. Morphology,…

A: Introduction :- Lemurs, lorises, tarsiers, monkeys, apes, and humans are among the diverse…

Q: Through______ , a body part of an ancestor is modified differently in different lines of descent. a.…

A: Evolution is the process by which an organism changes its genetic constituents or traits under…

Q: Which term can most accurately be used to describe evolutionary change that leads to speciation? A.…

A: Introduction :- Reproductive isolation refers to the phenomenon in which populations of the same…

Q: ccording to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who…

A: The question is asking about the significance of the L3 gene and the identity of the L3 woman…

Q: Which of the following best reflects a phylogenetic relationship between chimpanzees and baboons?…

A: Chimpanzees and baboons are primates. But the adaptations and physical appearances are different.…

Q: Why can’t scientists just do DNA analysis on these fossil hominins to determine if they are a…

A: The objective of the question is to understand the challenges that scientists face when trying to…

Q: After a highway is destroyed by an earthquake, two formerly isolated populations of deer can now…

A: D. Gene Flow The answer to this question is gene flow as it refers to the exchange of genetic…

Q: Which scientist independently came up with the same basic idea as Darwin at more or less the same…

A: Answer - Option D - Wallace - Natural Selection

Q: During the ____ epoch, there were fewer ____ and more ____, a reversal in the relative…

A: Geological Time depicts the geological history of Events on Earth that occurred in a specific time…

Q: According to "The Complex Evolution of Homo sapiens", for Homo sapiens that left Africa, what is the…

A: The objective of the question is to determine the time period in which Homo sapiens left Africa,…

Q: What are some examples of parasitism?

A: Parasitism is a relationship between two living organisms of different species in which one…

Q: Which of the following is a prediction that evolution makes about the fossil record? Group of…

A: Answers The correct option would be  b) most recent fossils should be most similar to modern life.…

Q: The northern red-legged frog, or Rana aurora, is found along the western coast from British Columbia…

A: Introduction :- Breeding is a type of sexual reproduction that results in the generation of…

Q: 18. Adaptive radiation is a variation of which of the following types of evolution? A. Coevolution…

A: Natural selection is an essential "evolutionary process". It implies that nature selects creatures…

Q: You are reading a scientific paper regarding the relationships of the anatomical and behavioral…

A: Introduction  Evolution is the gradual change in the inherited traits of biological populations over…

Q: Black-footed ferrets are an endangered weasel found in the Great Plains. If fire swept through the…

A: A. Bottleneck Effect is correct answer.

Q: Using the phylogeny, which statement best explains the evolutionary relationship of birds and bats?…

A: Interestingly though bird and bat wings are analogous as wings as forelimb they are homologous. The…

Q: Drag each definition in the boxes below and place it underneath the correct term that it corresponds…

A: Speciation:  The process by which populations develop into different species is known as speciation.…

Q: Fossils that serve as transitional links allow scientists to a. determine how prehistoric animals…

A: Transitional fossils play a basic part in understanding the developmental history of life on Earth.…

Q: 39. Which of the following types of traits are considered to be newly evolved features that appear…

A: Transitional fossil are intermediate form between species  they contain features shared by…

Q: If two mouse populations do not interbreed but are found in the same area, they may form different…

A: Answer :- Option (D) is correct. - Adaptive radiation.

Pre-Darwinian Concepts