Exam 1: Invitation to Biology

Which organisms are single-celled and lack a nucleus?​

In the Olestra experiment conducted by researchers at the Johns Hopkins University School of Medicine, the people who ate the Olestra potato chips were the ____.​

Classification. Answer the following questions in reference to life's diversity. Choose only the most correct answer. -These prokaryotes are able to colonize extreme environments such as hydrothermal vents on the seafloor. A)archaea B)bacteria C)Eukarya D)Plantae E)fungi F)animals G)protists

Match the term with its definition. a.atom b.organism c.biosphere d.molecule e.population f.ecosystem g.cell h.community -a community interacting with its environment

Which of the following represents an activity within a population?​

Who developed the two-part naming system scientists use today to classify newly found organisms?​

After rigorous statistical analyses have shown a very low likelihood (usually 5% or less) of a result having occurred by chance alone, the result is said to be ____.​

All organisms fit into one of two categories: ____ and ____.

Lipids, proteins, DNA, RNA, and complex carbohydrates are all ____.​

Classification. Answer the following questions in reference to life's diversity. Choose only the most correct answer. -Besides feeding themselves, these multicelled organisms serve as food for most other organisms. A)archaea B)bacteria C)Eukarya D)Plantae E)fungi F)animals G)protists

Match the term with its definition. a.atom b.organism c.biosphere d.molecule e.population f.ecosystem g.cell h.community -individual that consists of one or more cells

The idea that Earth orbits the sun is referred to as ____ of the solar system, because of the scientist who first proposed it.​

Matching Based on the Olestra potato chip experiment conducted by researchers at the Johns Hopkins University School of Medicine, match the following letters to the number with which they best correspond. -Olestra A)observation B)hypothesis C)prediction D)experiment E)control group F)experimental group G)the variable H)results I)conclusion

An ecosystem is made up of ____.

What is the right sequence of events applied in the scientific method?​

In science, if a result is deemed statistically significant, that means ____.​

Matching Based on the Olestra potato chip experiment conducted by researchers at the Johns Hopkins University School of Medicine, match the following letters to the number with which they best correspond. -In the control group, 17.6 percent of people reported having cramps later, while in the experimental group, 15.8 percent of people had cramps later. A)observation B)hypothesis C)prediction D)experiment E)control group F)experimental group G)the variable H)results I)conclusion

Match the term with its definition. a.atom b.organism c.biosphere d.molecule e.population f.ecosystem g.cell h.community -all regions of Earth where organisms live

Scientists perform ____ in order to ____ a given ____.​