Science Flashcards
What is the primary process by which plants convert sunlight into energy?
Photosynthesis
True or False: Autotrophs obtain their energy from other organisms.
False
Fill in the blank: Organisms that cannot produce their own food and rely on other sources are called __________.
Heterotrophs
What is the term for a relationship where both organisms benefit?
Symbiosis
Which type of organism is known for decomposing organic material?
Fungi
What process do algae use to produce energy?
Photosynthesis
True or False: Parasites live on or in a host and harm it.
True
What are organisms that produce their own food using light, water, and carbon dioxide called?
Autotrophs
Multiple Choice: Which of the following is an example of a heterotroph? A) Plant B) Algae C) Fungi D) None of the above
C) Fungi
Fill in the blank: The main pigment involved in photosynthesis is __________.
Chlorophyll
What is the role of mycorrhizal fungi in plant nutrition?
They enhance nutrient absorption.
True or False: All plants are autotrophs.
True
What type of symbiotic relationship involves one organism benefiting at the expense of another?
Parasitism
What is the primary source of energy for autotrophs?
Sunlight
Short Answer: Name one example of a parasitic plant.
Mistletoe
Multiple Choice: Which of the following is NOT a characteristic of autotrophs? A) Produce their own food B) Require sunlight C) Depend on other organisms D) Use carbon dioxide
C) Depend on other organisms
What process do plants use to convert carbon dioxide and water into glucose?
Photosynthesis
Fill in the blank: __________ are organisms that cannot make their own food and must consume other organisms.
Heterotrophs
True or False: Fungi are primarily autotrophic.
False
What type of relationship is formed when two different species live together and one benefits while the other is neither helped nor harmed?
Commensalism
Short Answer: What is the main byproduct of photosynthesis?
Oxygen
Multiple Choice: Which of the following is a function of chlorophyll? A) Absorbs sunlight B) Produces glucose C) Releases oxygen D) All of the above
D) All of the above
What do you call organisms that obtain nutrients by absorbing dissolved organic matter?
Saprotrophs
Fill in the blank: In a __________ relationship, both organisms benefit.
Mutualistic