Ann's Hummingbird
Describe how the males of these species attract females?
ANSWER :-
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Ann's Hummingbird Describe how the males of these species attract females?
Pheromones are compounds secreted by the females of many insect species to attract males. One of these compounds contains 80.78 percent C, 13.56 percent H, and 5.66 percent O. A solution of 1.00 g of this pheromone in 8.50 g of benzene freezes at 3.37
Please just do part C QUESTION 3 Male fireflies of the species Photinus ignitus attract females with pulses of light. Flashes of longer duration seem to attract the most females During mating, the male transfers a spermatophore to the female. Besides containing sperm, the spermatophore is rich in protein that is distributed by the female to her fertilized eggs. The data below are measurements of spermatophore mass (in mg) of 35 males (Cratsley and Lewis 2003). 0 047. O 037,...
While investigating a new animal species you find that females contain two X chromosomes and males contain only one X chromosome. Explain the three different ways that the dosage of X can be equalized between the two sexes, why this is necessary?
1. Dosage compensation often occurs in species whose males and females A) differ in their autosome numbers. B) differ in their sex chromosome numbers. C) have the same number of autosomes. D) have the same number of sex chromosomes. 2. Extranuclear inheritance involves the inheritance of genes that are found in _____ and _____. A) nucleus B) mitochondria C) chloroplasts D) endoplasmic reticulum E) ribosomes
If you found a new bird species that lived in dark forest habitats in the Amazon, which of the following would you predict to be the most likely way that males attract females? Select one: a. A loud mating song b. A mating display in which males display a bright orange area on their wings c. A light tapping on a tree branch d. A pheromone that males emit to attract females e. A mating display in which males display...
How do the signs and symptoms of MI differ between females and males?
How come p=0.2 only represents dominant phenotype in males? How about p allele in females? Doesn’t P= 0.2 represents p allele in both males and females in the population? *23.9 A trait determined by an X-linked dominant allele shows 100 percent penetrance and is expressed in 36 percent of the females in a population. Assuming that the population is in Hardy- Weinberg equilibrium, what proportion of the males in this population express the trait? ANS: In females, the frequency of...
Some species of garter snakes have a much higher proportion of males than females. A biologist wants to test the hypothesis that 75% of a certain species' population is male, believing the actual proportion to be higher. In a sample of 200 snakes, 162 were male, leading to a sample proportion of ?̂ =0.81 or 81%. Because there were more than 15 successes and failures for this test, a binomial approximation to the normal distribution was used. The following test...
Need help with this problem please "During the mating season, the males of lekking species gather into small clusters of territories, called leks, or arenas. Each male occupies a small space within the lek, and although the whole area may only be a few meters across, there may be thirty or more males displaying in a large lek. Males dance with frantic intensity, sometimes oblivious to most everything around them, and their intensity increases when females are present. Females visiting...
in a survey of 50 males and 30 females it was found that 30 males and 20 females exercise regularly. If a person is elected at random what is the probabliity that given that they are male they exercise regularly given that they do not exercise regularly they are female