WebAug 13, 2010 · In the 1990s Estes saw a three-level trophic system flip into a four-level system in coastal Alaska. The apex carnivore Orcinus orca , the killer whale, began preying on sea otters, reducing their ... WebDec 11, 2024 · Plants have strong direct and indirect effects on higher trophic levels (herbivores and predators), so lower plant abundance and diversity influence predators by reducing their prey availability . This can intensify competition among the predators and top-down control of mesocarnivores, which was previously suggested to be stronger in less …
What trophic level does a raccoon belong to? - Answers
Web5. Trophic level transfer efficiency is related to population turnover rate in agricultural pests. There are 15g/m2 of locust (herbivorous insect) per 1000g/m2 of wheat (primary producer) and 4g/m2 of cutworms (herbivorous insect) per 200g/m2 of corn (primary producer). _____ have the largest population turnover rate and _____ have the biggest impact on crops. WebAn organism that consumes another organism for food. Food chain. A series of organisms in which energy is transferred to another. Food web. A network of feeding interactions, usually consisting of multiple food chains. Trophic level. Each step in a food chain or food web. Biomass. The total amount of living tissue within a trophic level. credit score 638 good or bad
Temperate Deciduous Forest - Biology Dictionary
WebDec 13, 2024 · Which of the following pairs of organisms probably belong to the same trophic level? a. humans and bears b. bears and deer c. humans and cows d. both (a) and (c) 14. human and bears. The energy lost between trophic levels is used in the course of _____ normal living. From producer to secondary consumer, about what percentage of energy is … http://bioninja.com.au/worksheets/topic%204.2%20worksheet%20(answers).pdf WebJun 12, 2024 · Consider a grassland with five trophic levels: grasses, mice, snakes, raccoons, and bobcats. If you released. additional bobcats into the grassland, how would grass. biomass change if bottom-up control applied? If top-down. control applied? Q420: Rising atmospheric CO2 levels lead to. ocean acidification (see Figure 3.12) and higher … buckle up it\u0027s going to be a bumpy ride quote