Sunlight drives the production of terrestrial grasses along the bank of a tropical river. Hippo consume the grass and then defecate in the river which fertilizes aquatic plants. This assemblage is best referred to as a… a. population b. trophic cascade c. commensalism d. ecosystem e. community

Q: Species richness refers to Group of answer choices a. number of species in a community b. how even…

A: Introduction Species Richness (S) Refers To The Number Of Species Found In A Given Area.

Q: What is composed of several food chains in an ecosystem that intersect and depend on one another? a.…

A: A food chain describes  how energy and nutrients move through an ecosystem . At the basic level…

Q: The study of how habitat-type distribution across a landscape is known as:

A: Habitat is a famous term in ecology. It is the place where an organism makes its home. A respective…

Q: A complex of interconnected food chains in an ecosystem is called (a) an ecosystem (b) a pyramid of…

A: To find: What a complex of interconnected food chains in an ecosystem is called?

Q: In one case, the removal of the predator increased the competitively dominant species and in the…

A: Community structure is regulated by several factors including species interactions, abiotic factors,…

Q: The function of an organism is its:   A. Ecosystem B. Population C. Niche  D. Habitat

A: An organism is a living creature that is present on the earth and grows and reproduce to increase…

Q: Which statement about energy flow in ecosystems is accurate? A.Energy flow reaches an equilibrium…

A: Environmental science is one of the sciences that we must learn that every living thing on this…

Q: A researcher measures the amount of mercury (a persistant toxic chemical) in the fish of a lake…

A: On the surface of the Earth, fresh water is a valuable resource. It also supports a wide range of…

Q: Which of the following could qualify as a bottom-up control on a grassland community? (A) limitation…

A: Ecosystem: It is a collaboration of living organisms such as plants and animals with non-living…

Q: Which is most likely the limiting factor that inhibits the growth of the grasses in the forest?

A: Ecological succession Ecological succession is a process by which species evolve, the process is…

Q: Which of the following best explains why terrestrial trophic pyramids usually do not have levels…

A: Food chain  It is the way in which energy and matter is transferred as food from one tropic level to…

Q: zooplankton

A: Answer: food web represents feeding relationships within a community. It also implies the transfer…

Q: You're studying two lakes in neighboring valleys in the Cascades. One lake has a food web with three…

A: Energy flow occurring in the ecosystem can be referred to as a fundamental ecological principle. The…

Q: Whichstatement about organisms’ “niches” is false?a.The niche summarizes environmental factors…

A: Biodiversity: It is variability and varieties of life on earth. It is a measure of variation at…

Q: Which of the following is an example of ecological competition? A. A cheetah chases and kills a…

A: Introduction : Ecological competition refers to the conflict that occurs between different organisms…

Q: Look at the image below of a hypothetical trophic relationship from the late Cretaceous of North…

A: In an ecosystem, the food web is a vital portion that introduces us to the primary, secondary…

Q: The number of trophic levels an ecosystem can support is driven by… (select all that apply)

A: In all ecosystems, the first base level of the pyramid will be occupied by producers, consumers…

Q: Which of the following statements best represents the productivityhypothesis regarding species…

A: Species richness defines the number of species present in the community and it gives the measurement…

Q: The number of carnivores found at the top of an ecological pyramid is limited by thea. number of…

A: The flow of energy can be represented in the form of a network of the food chain and food web in an…

Q: If decomposers were removed from an ecosystem, which of the scenarios below would occur? A. The…

A: Decomposers are the organisms that helps in decomposition of putrefying entities or creatures which…

Q: Why do moderate levels of disturbance result in an increase in community diversity?a) The resulting…

A: Ecological succession is a gradual process that happens in the environment and  in a given species…

Q: Which activity would be most likely categorized as restoration ecology?   a. Counting the number of…

A: RESTORATION ECOLOGY:- It helps in repairing the damage caused by the human that has destroyed the…

Q: According to the Enemy Release Hypothesis: a. Predators and pathogens experience population increase…

A: The 'hypothesis of the release of enemies' is the idea that invasive species are less affected by…

Q: Categorize the following scenarios as density-dependent and density-independent limiting factors A:…

A: There are certain factors in an environment which affect the population size or number as population…

Q: When substances are not broken down in metabolism but stored and passed on to higher trophic levels…

A: Ecology is the study of organisms and their interactions with their surroundings.

Q: At any point in time, a number of environmental objectives must be met with a limited amount of…

A: Introduction  Ecology is the study of how various organisms interact with their surroundings. This…

Q: Which of the following is a consequence of biologicalmagnification?(A) Toxic chemicals in the…

A: The biological magnification refers to the buildup of toxic substances per unit organism weight with…

Q: This map shows the spread of the red fire ant after its introduction into the United States in…

A: Invasive species These species are also known as alien species, exotic species, or introduced…

Q: Some people think that our most environmental goals should be to sharply reduce the rate of…

A: Population change is driven by two forces, namely natural increase and migration. In the state,…

Q: Jenna is studying biodiversity and the factors that affect it. She learns that many factors…

A: Ecosystem biodiversity refers to the wide range of ecosystems, both in terms of their nature and…

Q: Hippopotamus were introduced into a lake in central Africa. Grazing by Hippo resulted in an increase…

A: The hippopotamus is a big, primarily plant - eating, semi - aquatic animal and is a native to…

Q: Analyzing ecological footprints reveals that(A) Earth’s carrying capacity would increase if per…

A: Ecological footprints – it is the amount of land needed to sustain an individual’s or the…

Q: You're studying two lakes in neighboring valleys in the Cascades. One lake has a food web with three…

A: A food web is a thorough representation of the species within a community and their interactions…

Q: Ronald Ross’s major contribution to the development of ecological science was… a. the creation of a…

A: Ronald Ross was a Nobel Prize winner medical doctor based in Britain and was presented with a Nobel…

Q: within marine ecosystems are better described as food webs. Whether considering a food chain or a…

A: A food chain is a linear sequence of organisms through which nutrients and energy pass as one…

Q: Which of the following statements about keystone species is false? a) Keystone species are the most…

A: Within a particular ecosystem different species are present that interact with each other and forms…

Q: Food chains are sometimes short because(A) only a single species of herbivore feeds on each…

A: Food chain is a linear representation of trophic level from producer to decomposer. It is a sequence…

Q: Which of the following is a component of an ecosystem but not of an ecological community? (a) a…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Which of the following options is/are goods of ecosystem? A. Fresh air B. Fresh water C Timber for…

A: The economical benefits that emerge from ecosystems that have a positive impact on all living…

Q: In Alaska Orcas (Killer Whales) have recently started eating sea otters in large numbers.…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Smelt 1.04 ppm Zooplankton 0.123 ppm Herring gull eggs 124 ppm Lake trout 4.83 ppm Pa Phytoplankton…

A: Introduction: phytoplankton is a flora of free-floating, generally microscopic organisms that float…

Q: The emergence of mayflies from a stream that are consumed by bats that live in the forest is an…

A: Mayflies are better known for their short-lived adults, who can live for just a few minutes. They're…

Q: In a temperate grassland system area of North America, vegetation has been destroyed by fire. What…

A: Net primary production (NPP) is strictly defined as the difference between the energy fixed by…

Q: 3 This food web shows the flow of energy through a desert ecosystem, California myotis bat Mountain…

A: A. The coyote and the mountain lion have a predator /prey relationship. This statement is not true…

Q: Which of the following is not an abiotic factor in an ecosystem? A Available light B) Temperature C)…

A: The ecosystem is a community or area where animals, plants and many other elements or organisms live…

Q: The Burmese Python, an invasive species, has been introduced to the Florida Everglades, largely…

A: Introduction An invasive species is a species that is not native to a particular area. An invasive…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.