BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 1, Problem 4RQ
The first forms of life on Earth were
- plants
- microorganisms
- birds
- dinosaurs
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The first forms of life on Earth were
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Chapter 1 Solutions
BIOLOGY 2E
Ch. 1 - Figure 1.6 In the example below, the scientific...Ch. 1 - Figure 1.7 Decide if each of the following is an...Ch. 1 - Figure 1.16 Which of the following statements is...Ch. 1 - The first forms of life on Earth were plants...Ch. 1 - A suggested and testable explanation for an event...Ch. 1 - Which of the following sciences is not considered...Ch. 1 - The type of logical thinking that uses related...Ch. 1 - The process of helps to ensure that a scientist’s...Ch. 1 - A person notices that her houseplants that are...Ch. 1 - The smallest unit of biological structure that...
Ch. 1 - Viruses are not considered living because they...Ch. 1 - The presence of a membrane-enclosed nucleus is a...Ch. 1 - A group of individuals of the same species living...Ch. 1 - Which of the following sequences represents the...Ch. 1 - Where in a phylogenetic tree would you expect to...Ch. 1 - Although the scientific method is used by most of...Ch. 1 - Give an example of how applied science has had a...Ch. 1 - Name two topics that are likely to be studied by...Ch. 1 - Thinking about the topic of cancer, write a basic...Ch. 1 - Select two items that biologists agree are...Ch. 1 - Consider the levels of organization of the...Ch. 1 - You go for a long walk on a hot clay. Give an...Ch. 1 - Using examples, explain how biology can be studied...
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- Photosynthesis carried out by one group of ________ resulted in Earths first increase in atmospheric oxygen levels. a. archaea c. protists b. bacteria d. algaearrow_forwardThe first forms of life on Earth were thought to be_____. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaursarrow_forwardThe diagram below depicts the concept of _______. a. evolution b. reproduction c. levels of organization d. energy transfers in the living worldarrow_forward
- What event is thought to have contributed to the evolution of eukaryotes? a. global warming b. glaciation c. volcanic activity d. oxygenation of the atmospherearrow_forwardChoose the 2 groups of organisms that would most well preserved in the fossil record? 00000 Slime mold Algae Bacteria Archaea parts of a tree A marine protist with a hard shell or skeletonarrow_forwardMatch the description with the type of evidence of evolution they belong to. 1. Homologous structures Study of Fossils 2. Universality of DNA as genetic material Anatomy and Embryology 3. Geographic distribution of Molecular Biology organisms on the planet Biogeography 4. Records tells the story of the past and shows the evolution of form over millions of years 000arrow_forward
- Question 45 Time left 1: The only kingdom which grows from embryonic layers is Animalia Select one: Not yet answered O True Marked out of O False 1.00 P Flag question Question 46 Oman has many different types of habitats and itis therefore said to have a high degree of what? Select one: Not yet answered O a. Genetic diversity Marked out of O b. Biodiversity 1.00 O C. Habitat diversity P Flag question O d. City diversity O e Species richness A DNA molecule is a specific sequence of Question 47 Not yet Answer: answered Marked out of hparrow_forwardIf life comes from life, where did the first living organisms come from?arrow_forwardIn which era did humans first appear on Earth? O A. Paleozoic O B. Mesozoic C. Precambrian O D. Cenozoicarrow_forward
- Which of these steps probably occurred first in the chemical andbiological evolution of life?a. The cell membrane of a protobiont formed.b. The first organic molecules formed.c. The original genetic material was RNA.d. Simple organic monomers formed from inorganic materials.arrow_forwardArrange these events in order of occurrence, with 1 being the earliest and 6 the most recent. First protocell form Origin of mitochondria Origin of chloroplasts First animals appear Earth's first sea form Precambrian ends A noltesuparrow_forwardWhat are the scientist whom discovered the fossils in Africaarrow_forward
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