Tag Archive | "selection"

Helppppp Bio Questions, They Are Hard And I Hate Bioo?


Question 8
For natural selection to occur, organisms must ____.
all of the listed choices
produce more offspring than can survive
be able to pass on adaptive traits to their offspring
have a variety of traits that affect their success in surviving and reproducing
Question 9
Change in organisms’ characteristics over time is termed biological _____.
homeostasis
evolution
sedimentation
biogeography
Question 10
A group of individuals that possess similar characteristics and can interbreed and produce fertile offspring is called a _____.
species
genome
community
population
Question 11
When we examine the differences in amino acids found in human hemoglobin and the hemoglobin of other vertebrate species, we find ____.
no differences at all; all hemoglobin is identical
the fewest differences in species such as apes and monkeys, more differences in non-mammalian groups like birds, and the most differences in the simplest forms like lampreys
a random distribution; every species seems different but there is no discernible pattern
Question 12
Religion-based alternative ideas for the origin of species cannot be taught in science classes because ____.
scientists are close-minded atheistic fanatics who want to destroy the moral values of our nation
religion-based explanations are not testable, because spiritual experiences are subjective rather than objective
Question 13
In a careful study of beak size and shape in Galapagos finches done in the 1970’s, researchers found _____.
no evidence of population traits changing over time
the average beak depth in chicks changed from one year to the next in response to environmental changes
Question 14
An organism’s niche is best described as its _____.
ecological role
genomic makeup
tendency to undergo mutation
habitat type
Question 15
Charles Darwin’s ideas about how the forces of nature create changes in living organisms were rooted in 30 years of observation, including his service as a naturalist on the HMS Beagle, which spent _____ exploring and mapping the coastline of South America and circumnavigating the globe.
several months
twenty years
five years
one year
Question 16
The ancestor of the modern whale seems to have been a four-limbed hooved animal, somewhat piglike (see p. 251). The modern whale has totally lost its hind-legs, but it still retains bones of the pelvis, although the pelvis serves no apparent purpose any more. In this case, the whale’s pelvis is considered a ____.
result of sexual selection
homozygous structure
vestigial structure
analogous structure
Question 17
The wings of birds and bees are built from completely different tissue origins, although both types of organisms use their wings for the same purpose: flying. In this case, wings would be described as _____.
devolved
an analagous structure
a homologous structure
vestigial organs

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Biology Question, Can Some One Help Me?


1. Hawaiian honey-keepers are a group of birds with similar body shape and size. However, they very greatly in color an beak shape. each species occupies its own niche and is adapted to food available in its niche. The evolution from a common ancestor to a variety of species is an example of:
a. divergent evolution
b. convergent evolution
c. artificial selection
d. inbreeding
2. The flying squirrel of North America closely resembles the flying phalanger of Australia. they are similar is size and have long, bushy tails and skin folds that allow them to glide through the air. The squirrel is a placental mammal while the phalanger is pouched mammal. Their resemblances, even though genetically and geographically separated by huge distances, can best be explained by:
a. divergent evolution
b. convergent evolution
c. artificial selection
d. inbreeding
best answer gets 10 points. if you do not want to help then please do not comment.

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Affiliate Marketing Tips: What Products to Promote?


When starting an affiliate marketing business, perhaps one of the first things you will have to decide on is what products to promote. After all, the type of products you will sell is vital to your success. Selecting the wrong products will only just be definitely a waste of your time and efforts. While there is a wide selection of products to promote, selecting the rights ones can be a daunting task. Here are some important tips when selecting products to promote.
• Make sure that the product you will sell is worth its price. It is best to choose products that offer high commissions. However, choosing salable but inexpensive products may also be beneficial. Also make sure that the payout is reasonable enough and not just a waste of efforts.
• You have interest and passion in the products you will sell. You should also have enough knowledge how this products work.
• The products are from a reputable company.
• Do some research on the products. Make sure the products have gained positive feedback consumers.
• There is a wide market for the products. There should be enough number of people who will find the products useful.
• The products are useful and answers major problems. It is best if the products are a necessity.
• The products are unique. This will assure low competition and excellent marketing results.
• Choose High Quality Products. Every affiliate marketer knows that selecting the product to promote is a vital step to succeed in this venture. Selecting quality products really matter in affiliate marketing. To know whether the products you want to promote are high quality products as such products assure more sales.
• The company you are choosing to promote should provide you with marketing materials, such as classified ads and banners. Such materials should help you in promoting your products. Also, there are companies that even provide training on the best ways to promote their products. This should help you drive more traffic to your site and hopefully will make a purchase.
• You should be expert in the products or services you are promoting.
Choosing the right products is essential in affiliate marketing. While there are thousands of products to choose from, it can be hard to choose which product can help you make profits. But if you follow the tips above, you will surely have good marketing results.

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