how would David Christian define the mini thresholds of life? a. times when a new and more complex life form appeared  b. times when a new species appeared c. times when life emerged on a new planet d. times when new forms of reproduction emerged

Q: When considering the entire period of time during which life on Earth has been evolving, we must…

A: To understand the change in flora and fauna that have occurred over million of years on Earth ,we…

Q: It can be said that modern biology is experiencing an “omics” revolution. What does this mean?…

A: Modern Biology  can be specialized and advanced topics in the fields of cellular biology and…

Q: 1. Charles Darwin published his book On the Origin of Species in 1859. Of the different types…

A:

Q: Why is it so important to learn about the Piltdown Hoax? Do you think it demonstrates that…

A: Piltdown Hoax was created when Dawson and Smith Woodward faked the discovery of the fossilized…

Q: briefly explain what TPACK model is all about and how it can be applied in life science

A: The TPACK model focuses on developing the ideal fusion of the material being taught and the manner…

Q: Summarize at least one hypothesis that explains each ofthe four stages of the origin of life.

A: Origin of life : It is the natural process by which life has arisen from non-living matter, such as…

Q: Which of the following would be the most likely place that life would first form on Earth?

A: Which of the following would be the most likely place that life would first form on Earth?  Answer.…

Q: Review darwin's theory of natural selection. Write a 1-2 paragraph reflection explaining a) what you…

A: Charles Darwin developed the evolutionary hypothesis that altered how people view humanity. Despite…

Q: Which of the following is NOT evidence for endosymbiosis? A. Bacteria and mitochondria both have…

A: Endosymbiotic theory was given by Lynn Margulis. It states that mitochondria and chloroplast were…

Q: Will save thIIs response. uestion 18 What term refers to an increase in number, size, or volume in…

A:

Q: Abiogenesisa. refers to the spontaneous generation of organisms from nonliving matter. b. explains…

A: The existence of the planet earth dates back to many billion years ago. However, there was no life…

Q: what is a mold? A. the imprints from an organism can be a shell or the skin of an animal B. Molds…

A: Fossils are the preserved remains of the organisms that die. The palentologists deal with two basic…

Q: Which of the following events occurred first in eukaryotic evolution? a. Endosymbiosis and…

A: Answer is c.)  compartmentalization and formation of nucleus.

Q: Explain how the diversity of life evolved over time.

A: The term biological diversity or biodiversity refers to the variety of living organisms and their…

Q: We sometimes say that scientific study limits itself to study of "the natural world." What does this…

A: Science cannot support or contradict the existence of supernatural entities. It deals only with…

Q: Explain adaptive radiation. Give examples in support of your answer.

A: Introduction In this question we will explain the adaptive radiation.

Q: Antibiotic resistance in bacteria is a result of what process? Selected answer will be automatically…

A: Antibiotic resistance:  Antibiotics are chemical combinations or substances usually prepared to…

Q: Describe how the sudden appearance of oxygen in the atmosphere about 2.5 billion years ago…

A: Since life first emerged on Earth between 3.5 and 4 billion years ago, it has continued to develop.…

Q: 2. Why is PCR useful?

A: Option d is the correct answer, that is V, I, II, IV, III. Explaination- First eukaryotes- App.…

Q: Does Spallanzani experiment prove or disprove the spontaneous generation of idea of emergence of…

A: An antiquated scientific idea known as the spontaneous generation theory claimed that live things…

Q: Which of the following sequences represents the hierarchy of biological organization from the least…

A: Cells are the basic structural and functional unit of all known organisms. There two types of cells…

Q: What caused the very first organisms to develop a mechanism for reproduction?

A: Reproduction transmits genetic material from generation to generation. This genetic information…

Q: The video game “Spore” invites players to design creatures and guidethem through “five stages of…

A: Evolution is the process of gradual accumulation of variations in organisms.

Q: Outline the four overlapping stages that are hypothesized to haveled to the origin of life

A: The origin of life is a topic that has been debated for a long time by scientists. It is believed…

Q: State in what ways Stanley miller simulated the condition of :-i) Primitive atmosphere on earth.ii)…

A: Stanley miller performed an experiment to prove that organic molecules were produced by the…

Q: Why is multicellularity adaptive?a. Multicellular organisms reproduce more quickly than…

A: Multicellular consist of many cells whereas unicellular consist of single cell which performs all…

Q: Biologists categorize all living things based on related characteristics into large groups calleda.…

A: Classification is a method used by biologists to classify living creatures into groups so that they…

Q: Is your answer supported by the information from the article “Can Evolution outrace Climate Change”?…

A: Evolution is a very slow process compared to the speed of climate change. It is unlikely that…

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: Charles Darwin and Alfred Wallace each proposed 1)a theory that described how organisms were…

A: The proposals made by Charles Darwin and Alfred Wallace is related to the theory and mechanism of…

Q: IV. Essay. 1. Using maximum of five sentences, debunk the claim that every primate should`ve evolved…

A: Introduction :- Over repeated generations, evolution is defined as a change in the heritable traits…

Q: Consider the concept of evolution. Give some reasons why it is impossible to evolve perfect…

A: Evolution is a large time taking changes that are adopted or aquired by an organism .

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: Lichens are formed by an association between: fungi and plants O algae and plants O protists and…

A: Introduction Ecology:- It is the study of the relationship between living organisms and their…

Q: summarize the 6 characteristics of life. cells •dna energy regulation reproduce and develop evolve

A: The six characteristics of life are: Cells: all living things are made up of cells, which are the…

Q: Describe the conditions that scientists think existed on early Earth.

A: Introduction  The origin of life on earth can be traced back to 3.4 billion years ago and as we now…

Q: Answer the folllwig questions below: 1.) Describe or define what is evolution.   2.)Differentiate…

A: Evolution brings out the trait changes in future generations. Genetics contributes largely towards…

Q: Which of Darwin's five 'theories' was something that he strongly emphasized but that we now think is…

A: Darwin's five theories were: (1) evolution as such, (2) common descent, (3) gradualism, (4)…

Q: la. Identify your species: 1b. Identify another species that is relatively closely related to your…

A: Speciation is formation of new species from the existing one.

Pre-Darwinian Concepts