Self contained space stations

If we designed a self contained space station and supplied it with organisms to create an ecosystem to support 6 people for 3 years, what types of organisms should be selected and why? Describe the main functions the organisms would perform.

During a study on desert plants the scientist had 2 identical plots with annual wildflowers in both plots.

During a study on desert plants the scientist had 2 identical plots with annual wildflowers in both plots. One plot was enclosed to keep out herbivores such as the kangaroo rat. After 2 years 4 of the wildflower species disappeared and 1 species of wildflowers increase significantly. The unprotected plot did not change. What ...continues

Jill plans to expand her business and add gastrointestinal (GI), renal, and OB/GYN physicians as clients.

Jill plans to expand her business and add gastrointestinal (GI), renal, and OB/GYN physicians as clients. She is also planning to hire additional physician billing associates. She asks you to develop some materials to help with their orientation. She wants you to develop a table that lists the body systems, organs in each body s ...continues

Basic physiological processes

Select one of the basic physiological processes from the following list: Acquire & process nutrients Get rid of waste Reproduction Obtain information about & respond to external environment Movement Post a 200 to 300 word response explaining how that physiological process DIFFERS among ALL the following organism ...continues

Nutrition and dangers associated with mouldy foods are discussed.

Discussion of why mouldy foods should not be consumed. Includes a brief description of “Aflatoxins”, as well as what consumers can do to assess the risk/benefit ratio when a mouldy food is encountered.

Genetics - Human Blood Types

Part 1: Genetics Problem- Human Blood Types Mendel is the father of modern genetics, but there are some genetic characteristics that cannot be explained by simple Mendelian genetics. Such is the case with the human blood types in which there are 3 alleles for the same gene, A B, and o. A parent can pass allele A, B, or o to ...continues

Most enzymes are proteins or glycoproteins. However, some enzymes, presumably the oldest ones, are

1.Most enzymes are proteins or glycoproteins. However, some enzymes, presumably the oldest ones, are a. lipids b. carbohydrates c. ribonuclic acids d. deoxyribonucleic acids 2.An enzyme that converted glucose to frutose would be called a. an isomerase b. a transferase c. a lyase d. a hydolase 3.Vitamin B2 (riboflavin) ...continues

A study of energy flow in a Georgia salt marsh revealed that gross production was about 36,380 kcal/square meter/year

A study of energy flow in a Georgia salt marsh revealed that gross production was about 36,380 kcal/square meter/year of which 7,900 kcal/square meter/year formed detritus and 305 kcal/square meter/year was consumed by insects. a. What proportion of gross production was used for respiration? Show calculations b. What propo ...continues

Nitrogen Cycling

Assume that nitrogen cycling in a deciduous forest ecosystem is complete and involves all the producers, consumers and nitrogen fixing, denitrifying and ammonifying bacteria described in lecture a. Trace an atom of N (N15) that was released into the atmosphere of the forest through its route to a bacterial cell that releases ...continues

Interpreting data; Chi-square test

Please see the attached file. a. If students transplanted the germinated seeds on each day that they observed them, how many germinated seeds (seedlings) from the Plant Food treatment did the students transplant on Day 14? b. Of the seeds that were stratified in Water Only , the highest number of seeds germinated betw ...continues