Q1) Butterflies in Africa (species 1) pollinate just one species of flower with a short corolla reducing the variation in the length of the tongue of its pollinators. Butterflies in Europe (species 2) have variable lengths as they pollinate several different species of flowers. What is the mechanism shaping the length of the tongue in species 1?______   Q2) A variation on what morphological trait made the difference between life and death among all surviving finches in the draught of 1977?

Q: What causes sexual dimorphism? Give some examples of sexually dimorphic species, and why you think…

A: Sexual dimorphism :- Sexual dimorphism is the systematic difference in size of the sexes found in…

Q: Let us assume that thick and short ovipositors are dominant to long and thin ovipositors. In a…

A: In the area of population genetics, Hardy-Weinberg equilibrium, or more commonly, known as…

Q: Q3) Why can we say that variations in human skin color are the result of natural selection in…

A: Introduction :- Variations refer to differences or diversity among individuals or populations within…

Q: Tool making and use is a trait shared only be a few primate species on Earth. This ability is a…

A: The manufacturing of the tools and their usage is owned by usually the human primates but even fewer…

Q: e figure below shows an insect, pelican, and a magnolia tree. Please select at has the trait that is…

A: Cicadas show a extended life cycle with reproducing only once in their lifetime.Annual life cycle is…

Q: Lake Malawi in Africa is home to about 200 species of allopatrically speciated cichlid fish.…

A: When two populations of the same species are isolated from each other due to geographic changes then…

Q: wever, on smaller islands not far from the mainland, many more species of kingfishers exist, and ea…

A: Model A is correct.

Q: Different species of a sexually-reproducing fish exist in different ploidies in streams in the…

A: Chromosomes are structures that look like a thread and are present inside the nucleus. Each of the…

Q: Complete the sentences to make 6 true statements about the evolutionary relationships between the…

A: Phylogenetic trees is a diagram that is made to understand the evolution and relationships between…

Q: Choose correct answers | Banded Horntail is a wood-boring Hymenoptera. | Elm Sawfly is the largest…

A: * Banded horn tail is a wood boring hymenoptera  *Horntail also called wood wasp belong to…

Q: 29. Sympatric speciation describes populations that a have sexual dimorphism b) look the same…

A: Question number 29. The type of speciation where reproductive isolation occurs between the…

Q: 1.  An earthquake and tsunami, Richter scale of 7, destroyed a small village near the epicenter in…

A: *Sympatric speciation means  the splitting of an ancestral species into two or more groups that are…

Q: true/false 1. Life cycle of Cooley's Spruce Gall Adelgid (Adelges cooleyi) includes alternations of…

A: * The life cycle of Cooley's Spruce Gall Adelgid will have an alternation of generations between…

Q: used to describe the organism esented below? *

A: The given picture in the question is of HYDRA . Option 3 i.e. Hydra reproduces asexually and is a…

Q: Column A Column B a. A process in which new species form 1. Thomas Malthus b. Authored the Theory of…

A: Evolution is the process of a species' traits changing over many centuries by natural selection.…

Q: 18. (07.07 HC) Due to its location, Hawaii does not have very many land birds. The Hawaiian…

A:

Q: How can negative traits that don't show up until old age continue in populations? (Why aren't they…

A: Natural selection is the process through which individuals with various phenotypes survive and…

Q: Which scenarios are examples of reproductive barriers between closely related species that can cause…

A: Reproductive barriers are also known as reproductive isolation or mechanism. Reproductive barriers…

Q: | Cossidae larvae look very similar to Cerambycidae larvae, but Cossidae larvae have legs and a…

A: Statement b,c,d,e are correct

Q: a) Which phenotype (resistant or susceptible) has lower fitness in the exposed environment? ( b)…

A: Aphids  Aphids belongs to the superfamily of Aphidoidea of phylum Arthropoda. They are small and…

Q: Question 60 (Mandatory) What would be the growth rate of an island population of 1,000 that has 30…

A: The net change in population can be calculated as follows:Births: 30 per 100 populationDeaths: -20…

Q: for clarification which is shown in the graph, the darker blue on the bar graph shows the mass(size)…

A: On the basis of the given bar graph, It will be conclude that-------- Describe the relationship…

Q: Using the two Hardy-Weinberg equations, calculate the allelic and genotypic frequencies. Tongue…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: To directly test if multicellularity in yeast can evolve as a response to predation pressure, what…

A: Multicellularity in yeast can evolve as a response to predation pressure. When unicellular yeast…

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.