Why were small-beaked medium ground finches (Geospiza fortis) most affected by the drought on Daphne major in 1976? A. Being small, they were less able to withstand the high temperatures during the drought B. The type of food that they eat, insects, was depleted C. Their beaks were too small to eat the remaining food, large nuts D. Their territory was taken by large-beaked medium ground finches

Q: Why the domestic birds could not fly as long distance migratory birds can do?

A: Migration is a seasonal phenomenon adopted by birds where they fly thousands of kilometers for…

Q: Changes in the structure of plants over time, that allow for them to live well in dry habitats, are…

A:

Q: Which is not a factor that leads to the extinction of a species?

A: Introduction A species being extinct means it will never return to the planet. It occurs when the…

Q: What is a cline? a. the slope of a mountain where a population lives b. the degree to which a…

A: The population variation can be determined by genes and environment. The gender determination in…

Q: Which situation is not an example of a prezygotic barrier? a. Two species of turtles breed at…

A: Reproductive isolation refers to a condition where organisms become incapable of breeding.…

Q: Which of these pairs is incorrectly matched?a. H. erectus—made toolsb. H. rudolfensis—ate meatc. H.…

A: Homo erectus is extinct species of the archaic human from pleistocene with its occurrence over two…

Q: You discover a new species of reptile that can either lay eggs or have live birth. The species has a…

A: Oviparity is the process of  laying eggs, in these types of eggs fertilization can be external or…

Q: which human trait is currently experiencing selective pressure (evolving)?     a. gut size     b.…

A: Selection pressures can be defined as those external agents that mainly affect the survival of the…

Q: What particular characteristic will be featured among  among hymenopterans such that full sisters…

A: ANSWER;-A) All males are haploid and all females are diploid. Explain;-In haplodiploidy, guys are…

Q: Living lemurs are found only in A. Asia B. South America C. Africa D. Madagascar

A: Lemurs are a unique group of primates native to Madagascar.Lemurs have pointed snouts with wet noses…

Q: Which invertebrates would you expect to find in highly polluted waters? a. Stonefly nymph b. midge…

A: Flies are the type of invertebrate that can survive in a wide range of habitats. Among the preferred…

Q: sympatric speciation to occur

A: Answer: Sympatric speciation occurs when populations of a species that share the same habitat become…

Q: For which organism would it be advantageous to allocate more resources to reproduction than to…

A: Nature has two important components-biotic and abiotic. There are continuous interactions between…

Q: Many birds possess crops, although few mammals do. Suggest a reason for this difference between…

A: The crop is a muscular pouch and is present near the throat or gullet. It is the digestive tract…

Q: What would happen to the human population if the number of births becomes equal to the number of…

A: Answer is c.) The Earth's carrying capacity would decrease.

Q: Which two extinction risks may be a direct result of the pet trade? a. climate change and exotic…

A: Pet trade can be defined as the selling of wildlife from one country to another. Although, it is a…

Q: Give typing answer with explanation and conclusion  A population of 60 sand pipers is foraging for…

A: The sand pipers are a species of shorebird that feed on small, aquatic invertebrates such as…

Q: What is the effective population size of an island population of parrotsconsisting of 30 males and…

A: The effective population size of a species includes only the breeding individuals, the non-breeding…

Q: In birds, where have most of the recent extinctions taken place?   a. In outer space   b. At sea…

A: Extinction: It is the term that tells about the disappearance and ending of the species due to their…

Q: Decline of grey wolf populations in the US northwest in the early 1900s resulted in ______ of elk…

A: In the early 1900s, the decline of grey wolf populations in the US northwest was primarily due to…

Q: You have studied the story of pepper moths in England. Had the industries been removed, what impact…

A: The adaptation and survival of peppered moth during industrial melanism in England is a good example…

Q: Turtles on a small island tend to mate with relatives more often than turtles on the mainland.

A: Non-random mating or inbreeding is the process of mating only selected organisms in order to…

Q: The diagrams below show the relative sizes and relationship of the two barnacle species' fundamental…

A: Introduction  A species' match with a particular environmental circumstance is known as a niche. It…

Q: Which is NOT an alternative mating strategy for sexually selected males who do not engage in direct…

A: Which is NOT an alternative mating strategy for sexually selected males who do not engage in direct…

Q: Newborn young would fall under which category of a population’s age structure?   a.…

A: Population refers to all the organisms of the same group or species that live in a particular area…

Q: The frilled lizard of Australia suddenly opened its mouth wide and unfurled folds of skin around its…

A: The frilled lizard is a reptile that is found in Australia and regions of New Guinea. It can run…

Q: Select two other human characteristics and explain how they may have resulted from later adaptation…

A: Understanding the origin of humans and how we came to have our current form and function is made…

Q: What were the environmental changes that led to the demise of many species of finch?

A: According to a study, Darwin’s known finches would possibly be driven to extinction additionally by…

Q: Which could lead to allopatric speciation by two populations of snail? Group of answer choices A.…

A: Speciation is the process by which new species arise. Allopatric speciation occurs when two…

Q: Which statement least applies to the concept of fitness? A. Measures of fitness include mating…

A: Natural selection is based on survival of the fittest, according to which the organisms which are…

Q: What is the flask’s carrying capacity for rotifers in the presence of water fleas? a. 0 b. 4,200 c.…

A: The rotifers are a phylum of tiny and nearly microscopic pseudocoelomate organisms, sometimes known…

Q: a. stabilizing selection b. diversifying selection c. directional selection

A: Finches' beaks are specialized to what they eat. If it is a wet season, there are plenty of greens,…

Q: Time (Years 21. The graph above shows data for the amount of light-colored and dark-colored peppered…

A: Natural selection Natural selection is a process by which an organism adapts to its natural…

Q: A group of evolutionary biologists measure population structure in migratory birds and non migratory…

A: Introduction  Evolution is the process by which populations of organisms change over time through…

Q: Which type of hybrid zone would lead to speciation? A. a hybrid zone b. stable hybrid zone c.  A…

A: Introduction  Speciation is the process by which a single species splits into two or more distinct…

Q: A creek provides habitat and breeding sites for several different amphibian species. Which scale of…

A: An ecosystem is a geographical area where organisms like plants, animals, and the environment work…

Q: Number of rotifers 4500 4000 3500 3000 2500 2000 1500- 1000 500- 0 Key x Rotifers alone (flask X) •…

A: In the absence of water fleas, the following broad circumstances may cause a rotifer population to…

Q: What is the cause of genetic bottlenecks that occur during crop domestication?   a. Decreased…

A: Crop domestication causes genetic bottlenecks when a wild plant species is selected and bred to…

Q: Suggest a refinement by rephrasing the sentence so that it is scientific and not teleological.…

A: The term migration can be defined as the temporary movement of an organism from its original place…

Q: What do birds do about sleep during the time when they are migrating? a. They fly during the day and…

A: Introduction:- Sleep performs many functions in the body of living organisms. It provides muscle…

Q: Secondary contact after divergence

A: Answer: An extrinsic barrier separates a species population into two but they come into contact…

Q: You discover a new species of reptile that can either lay eggs or have live birth. Rats and other…

A: Oviparity refers to the oviposition of an embryo within a cleidoic egg that requires some period of…

Q: When Tetrodotoxin is administered in bathing medium of a nerve fibre during voltage clamp…

A: When muscles are activated, sodium ions flow through the sodium channel into the cell. This changes…

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.