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Questions and Answers
What is the primary focus of the branch of science known as ichthyology?
What is the primary focus of the branch of science known as ichthyology?
- The study of fishes (correct)
- The study of mammals
- The study of insects
- The study of ecosystems
Which of the following correctly defines a herbivore?
Which of the following correctly defines a herbivore?
- An organism that feeds on detritus
- An organism that only eats plants and algae (correct)
- An organism that consumes both plants and animals
- An organism that only eats algae and fish
In the energy pyramid, which level is considered to house the producers?
In the energy pyramid, which level is considered to house the producers?
- Decomposers
- Herbivores
- Carnivores
- Producers (correct)
Which of the following statements best describes commensalism?
Which of the following statements best describes commensalism?
What role do bacteria play in terms of cell type?
What role do bacteria play in terms of cell type?
What unique feature differentiates plant cells from animal cells?
What unique feature differentiates plant cells from animal cells?
What is the primary relationship between frogs and fishes in a pond ecosystem?
What is the primary relationship between frogs and fishes in a pond ecosystem?
What distinguishes entomology from toxicology?
What distinguishes entomology from toxicology?
What best describes the relationship between a hawk and an owl?
What best describes the relationship between a hawk and an owl?
Which organism is characterized as cold-blooded with dry scaly skin?
Which organism is characterized as cold-blooded with dry scaly skin?
Which group of organisms is responsible for causing 'red tide'?
Which group of organisms is responsible for causing 'red tide'?
What is the term for development of an egg without fertilization?
What is the term for development of an egg without fertilization?
Diploid cells have two copies of chromosomes known as?
Diploid cells have two copies of chromosomes known as?
Which of the following is considered a hydrophobic organic compound?
Which of the following is considered a hydrophobic organic compound?
The four most essential elements needed by the human body include?
The four most essential elements needed by the human body include?
What does the number of calories in food indicate?
What does the number of calories in food indicate?
Acid rain occurs when what combines with water in the atmosphere?
Acid rain occurs when what combines with water in the atmosphere?
Which of the following statements about the greenhouse effect is correct?
Which of the following statements about the greenhouse effect is correct?
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Study Notes
Ichthyology and Ecology
- Ichthyology deals with the study of fish characteristics.
- Ecology studies the relationships between living organisms and their environments.
Biology Concepts
- Living organisms can be categorized based on their ecological roles, particularly as herbivores which eat only plants and algae.
- Producers, primarily plants, form the base of the energy pyramid.
- Herbivores are consumers that directly feed on producers and obtain significant energy.
Plant and Animal Differences
- Plant cells uniquely possess a cell wall, unlike animal cells.
- Animals are classified based on their body covering; mammals have fur, while reptiles like lizards have dry scaly skin.
Ecosystem Interactions
- Commensalism benefits one species without affecting another, while parasitism harms the host.
- Competition arises when two organisms, like owls and hawks, vie for the same prey.
Reproduction and Genetics
- Parthenogenesis is a form of reproduction where eggs develop without fertilization.
- Mitosis results in the duplication of chromosomes, which are organized into homologous pairs in diploid cells.
Food and Diet
- Autotrophs, or producers, can synthesize their food, contrasting with other organisms like amoebas, which are unicellular.
- Carbohydrates include sugars and starches, with sources excluding meat.
Nutritional Science
- Key elements essential for human survival include nitrogen, hydrogen, oxygen, and carbon.
- Vitamins like niacin are crucial for physiological functions.
Environmental Science
- The water cycle encompasses evaporation, precipitation, and runoff processes.
- The nitrogen cycle influences mushroom growth post-lightning due to atmospheric nitrogen.
Climate Change and Pollution
- Human activities contribute to increased methane and carbon dioxide levels, driving climate change.
- Acid rain results from sulfur emissions combined with atmospheric water, impacting ecosystems negatively.
Energy and Metabolism
- Metabolism defines the process of converting food into energy, essential for maintaining life functions.
- Caloric content in food indicates the energy that can be derived from it.
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