What is a top-down cascade? Select all that apply. Group of answer choices an effect on apex predators caused by a change in abiotic resources an effect on primary producers caused by a change in abiotic resources an effect on apex predators caused by a change in primary producers an effect on primary producers caused by a change in apex predators none of the above
Added by Alec P.
Step 1
Step 1: A top-down cascade refers to the effect of changes in higher trophic levels on lower trophic levels in an ecosystem. Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 83 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
The term 'trophic cascade' describes: Select one: a. when one organism affects the abundance of another organism at least three trophic levels away b. when one organism affects the abundance of another organism at least two trophic levels away c. the death of an ecosystem due to the removal of one species d. when the effect of removing one species is limited to one trophic level away
Madhur L.
A trophic cascade, such as that occurring with gray wolves in Yellowstone National Park, is best understood as an interaction between species in which: a) a keystone species influences the entire community b) a keystone omnivore overconsumes its prey species c) plants lose the dominant position in a community d) predators cause the formation of waterfalls in rivers
Sri K.
Which of the following is NOT considered background extinction? A) Predation B) Indirect effects like trophic cascade C) Major asteroid impact D) Climate change (non-anthropogenic)
Suman K.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD