Biology And The Tree Of Life - Biological Science | Biology+

Course

Biology Science

Study Pack

Set 1: Biology and the Tree of Life

Set 2: Water and Carbon: the Chemical Basis of Life

Set 3: Protein Structure and Function

Set 4: Nucleic Acids and the Rna World

Set 5: An Introduction to Carbohydrates

Set 6: Lipids, Membranes, and the First Cells

Set 7: Inside the Cell

Set 8: Energy and Enzymes

Set 9: Cellular Respiration and Fermentation

Set 10: Photosynthesis

Set 11: Cellcell Interactions

Set 12: The Cell Cycle

Set 13: Meiosis

Set 14: Mendel and the Gene

Set 15: Dna and the Gene: Synthesis and Repair

Set 16: How Genes Work

Set 17: Transcription, Rna Processing, and Translation

Set 18: Control of Gene Expression in Bacteria

Set 19: Control of Gene Expression in Eukaryotes

Set 20: The Molecular Revolution: Biotechnology and Beyond

Set 21: Gene Structure and Development

Set 22: Evolution by Natural Selection

Set 23: Evolutionary Processes

Set 24: Speciation

Set 25: Phylogenies and the History of Life

Set 26: Bacteria and Archaea

Set 27: Protists

Set 28: Green Algae and Land Plants

Set 30: An Introduction to Animals

Set 31: Protostome Animals

Set 32: Deuterostome Animals

Set 33: Viruses

Set 34: Plant Form and Function

Set 35: Water and Sugar Transport in Plants

Set 36: Plant Nutrition

Set 37: Plant Sensory Systems, Signals, and Responses

Set 38: Plant Reproduction and Development

Set 39: Animal Form and Function

Set 40: Water and Electrolyte Balance in Animals

Set 41: Animal Nutrition

Set 42: Gas Exchange and Circulation

Set 43: Animal Nervous Systems

Set 44: Animal Sensory Systems

Set 45: Animal Movement

Set 46: Chemical Signals in Animals

Set 47: Animal Reproduction and Development

Set 48: The Immune System in Animals

Set 49: An Introduction to Ecology

Set 50: Behavioural Ecology

Set 51: Population Ecology

Set 52: Community Ecology

Set 53: Ecosystems and Global Ecology

Set 54: Biodiversity and Conservation Biology

Set 1 Biology And The Tree Of Life

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Set 1 Biology And The Tree Of Life

(Multiple Choice)

Free

Which of the following best reflects a phylogenetic conclusion regarding chimpanzees and baboons?

A) They are grouped together because they both feed their young breast milk.
B) They are grouped together because they live in similar habitats.
C) They are grouped together because they both have opposable thumbs.
D) They are grouped together because they have a common ancestor in recent history.

Answer

(Multiple Choice)

Free

How does a scientific theory differ from a scientific hypothesis?

A) Theories define scientific laws; hypotheses are used to set up experiments.
B) A hypothesis is an explanation for a very general phenomenon; theories treat more specific issues.
C) There is no difference-the terms are interchangeable.
D) A theory is an explanation for a very general phenomenon or observation; hypotheses treat more specific observations.

Answer

(Multiple Choice)

Free

The "heat" in chili peppers is due to a molecule called capsaicin. Suppose you breed only the hottest chili peppers over many generations-predict the characteristics of the resulting individuals.

A) smaller fruits
B) larger fruits
C) less capsaicin
D) more capsaicin

Answer