What are some consequences of overfishing? (select all that apply) Fishing industry has moved down the food chain and has been concentrating on smaller and smaller fish 90% of fish from large species have been removed Top predators become smaller in size

Q: If a species is a good intraspecific competitor, is it necessarily a good interspecific competitor?…

A: Competition is the interaction of two species or groups of organisms when they both need a resource…

Q: In imaginary (thank goodness) forced feeding experiments, some very unethical scientists determine…

A: LD50 or lethal dose 50 is the amount of a substance that is needed to kill half of the test…

Q: 1. Identify one food chain: Terrestrial Food Web 2. Place a circle around the autotroph. 3. Place a…

A: A food chain is the sequence of events in an ecosystem in which one living organism eats another…

Q: Which of the following can typically decrease genetic variation? Otoxins O predator-prey…

A: Evolution is a steady phenomenon which bring about a change and transform the life from simple one…

Q: This is a system dynamics model of the Lotka-Volterra Predator-Prey model. The two stocks in the…

A: The Lotka-Voltera model of interspecific competition is a simple mathematical model representing…

Q: You are studying the competitive interactions between largemouth bass and lake trout in a several…

A: In an ecosystem the competition between the different organisms of the same species (intraspecific)…

Q: What is the main factor that limits population growth for in the fish case study? Interspecific…

A: Limiting factors The factors that affect the population growth is known as limiting factors.

Q: Which of the following events would decrease competition for resources in an ecosystem? a disease…

A: The structural and practical unit of ecology is the environment. It is characterized as the…

Q: If sea otters were removed from this food web ENERGY FLOW you would predict sea urchins to SEA…

A: Introduction:  The Foodweb is based on a consumer-resource system, it is a graphical representation…

Q: Which client fish get better service from the cleaner wrasse? O Residents Client fish that…

A: Explanation:  -   There is a species of wrasse known as the cleaner wrasse (Labroides dimidiatus),…

Q: Why do residents use chasing more than switching cleaners?

A: The correct answer is option A. Residents often have access to one cleaning station in their home…

Q: Which organism represents the secondary consumer? Which organism represents the producer?…

A: Producers : Producers are the species or organisms which make their own food using light energy by…

Q: 1.Only living things can be resources for an organism. True or False?   2.Populations above…

A: Introduction In an ecosystem there is a continuous interaction among the different species and with…

Q: Before a a population of fish declines due to heavy fishing pressure, what will decrease first?…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: This graph shows the relationship between the number of individuals in a minnow school and how often…

A: The graph is about the minnow size and attacking predators. The graph shows the relationship between…

Q: Which answer below best describes a TRUE statement of the organisms in the food web shown below?…

A: Introduction All organisms on the earth need energy for their primary support of life. The energy…

Q: The best description of the typical warm-weather hunter gatherer diet of our ancestors is an…

A: Answer :-   Depending on wherever they afraid and gathered, that they had a spread of dietary…

Q: Since 1972, Dr. Jim Estes had been studying a food chain of kelp -> urchins -> sea otters, and then…

A: The sequential transfer of energy and nutrients in the form of food from one organism to another is…

Q: Imagine the environment of an ecosystem changes such that it floods more often. Which species would…

A: Species that can adapt to the new changing environment can only survive and will be naturally…

Q: In 1997, which species is the apex predator in the food chain? kelp sea urchins killer whales sea…

A: Food chain is a pathway which depicts the flow of energy between different organisms. It depicts the…

Q: Which of the following communities would be most resilient to the removal of 1 species? a community…

A: Community resilience is the ability of a community to use available resources, to respond to and…

Q: Complete the following sentence. The figure illustrates that when orcas started eating sea otters,…

A: addition or removal of apex predator that is the key stone species which causes the change in type…

Q: Which of the following describes Mullerian mimicry? Group of answer choices Mullerian mimicry is a…

A: In mimicry, the animal resembles or imitates other animal, plant or other natural object not only in…

Q: What term is used to describe how members of different species strategize how, when, and where they…

A: The objective of the question is to identify the term that describes the strategy used by different…

Q: Predators never drive their prey extinct, because then they would go extinct themselves.  True…

A: Predators eliminate weak prey, like the old, injured, debilitated, or exceptionally young, leaving…

Q: A density independent factor is something that affects the size of a popualtion regardless of its…

A: In ecology, a density-dependent factor, also known as a regulatory factor, is any force that…

Q: Which of the following is NOT a reason for the increased global fish consumption?   Group of…

A: Fish is a source of food and is rich in proteins. It provides approx 16% of the animal protein that…

Q: In exploitative interactions, one species gains a fitness advantage at the cost of another species.…

A: Ans: Option D : A dragonfly kills and eats a beetle.

Q: Interspecific competition can result in? Check All That Apply competitive exclusion resource…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: According to the optimal foraging theory, which of the following is NOT one of the factors that…

A: The optimal foraging theory is a widely accepted ecological theory that attempts to explain the…

Q: Which statement is a reasonable inference based on the information in the given graphic? Average…

A: Bass fish Bass means perch, it is a universal common name for many fishes. The term includes all…

Q: 2  Wolves are introduced into the park → The number of elk calves born to every 100 female elk ​ ​…

A: Territoriality(space) can help to control population increase; an animal's home range is the region…

Q: The biggest reason that there was a major effort to restore American alligator populations is that…

A: INTRODUCTION American Alligator Alligators in the United States are vital elements of their…

Q: In a pond, tadpoles eat algae and fish eat the tadpoles. Around the pond, grasshoppers eat grass…

A: In environment one species is dependent on the other for their need. so there is a chain like…

Q: Which of the following is true of overexploitation? Select ALL that apply.   a Only animals are…

A: Overexploitation is the exploitation of a resource to the point of depletion. It occurs when the…

Q: Indentify the correct food web for each question. Which type of food web cycles materials and moves…

A: INTRODUCTION Food chain : it explains who eats whome in a wild. This helps to the flow of energy and…

Q: Which of the following can be a secondary consumer? squid other seals krill herbivorous zooplankton…

A: Secondary consumers may be omnivores and carnivores.

Q: A bird that lives in a hole in a tree and eats fruit or seeds as an adult while feeding insects to…

A: Symbiosis is a type of close relationship between two organisms. There are different types of…

Q: Population Estimates of Animals in Africa in 1990 and in 2000 1990 2000 Lions Cheetahs Zebras…

A: A population is a collection of members of the same species who coexist in a particular area and…

Q: 4. Respond to this tweet on the right using mathematical evidence from the Lotka-Volterra model of…

A: The Lotka–Volterra model is widely employed to represent the behavior of ecosystems involving two…

Q: Raccoons Ducks Fish + Minnows Aquatic crustaceans Algae and floating plants O A. Raccoons, fish and…

A: A food web is a type of graph that depicts the relationship between the prey and the predators, also…

Q: Using the image, choose three possible outcomes a change in the marine ecosystem could have on…

A: Since the predator rely on its prey for its survival so, when prey population get declined, predator…

Q: One industry that is in need of sustainable practices is the fishing industry. Which of the…

A: Fishing industry include the catching, processing, transportation, Distribution and Marketing of…