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1. The common ancestor of all the tetrapod vertebrates had four limbs with a similar skeletal structure to thatseen in many vertebrates today. Considering this, in what sense are the arms of humans homologous to the wings of a bird?
2. The green algal ancestors of plants existed in aquatic habitats, contained chlorophyll a and b, and had cellwalls composed mainly of cellulose. Land plants also contain chlorophyll a and b and have cell walls ofcellulose. What traits in the land plants are primitive? What trait represents divergent evolution from theancestral form?
3. The ancestors of hominids were quadrupeds, walking on four legs. Humans are bipedal. Is this characterderived or ancestral? Are the walking habits of chimpanzees primitive or advanced?
Freckles (F) and six fingers (S) are dominant alleles in humans and the genes occur on different chromosomes. If an FfSs male and an FfSs female have a WHOLE BUNCH of kids, Here are the expected ratios below.
Explain why proteolytic enzymes in the gut digest dietary proteins but dont digest the wall of the gut.
What are peristatic movement and their role in human digestion process of chylomicrons
This calcium stone former may have the hereditary condition known as idiopathic hypercalciuria. What does this mean?
Summary- 1 paragraph on the topic and findings of the paper pros: (bullet points) e.g. - -The article was clearly written with clear figures and graphs - - The questionnaire used did not measure mothers socioeconomic status.
Many bacteria are able to survive harsh conditions. To do this, some produce ______, which can germinateunder appropriate conditions and produce new cells.
Unit 3 Assignment: Statistical testing To view your Assignment directions, access the View/Print icon below.Grading rubrics for this Assignment are located under Course Home.Unit outcomes addressed in this Assignment:
How does this contribute to the symptoms of lactose intolerance? Also, why do areas with good climate for crops generally have a high incidence of lactose intolerance?
To raise funds to meet its annual budget, a state government is debating whether to sell a large section of public forest to a logging company. Evaluate this plan in terms of two ecosystem services that the state might gain and two services the state..
Microevolution is in some ways random, while in other ways it is not. Explain what does this mean in regards to the potential of a mutation saving a species facing extinction?
You now grow Daphnia and Bosmina together. Suppose they remain limited by phytoplankton. What genetic basis of erminette pattern is suggested? How would you test your hypothesis.
In Drosophila, vermilion eye color is due to a recessive allele (v) located on the X chromosome. Curved wings is due to a recessive allele (cu) located on one autosome, and ebony body is due to a recessive allele (e) located on another autosome.
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