Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
written by Darwin and provide a description of the subject matter and significant contribution of each of these.
The four basic animal tissues are . connective, digestive, nervous, and respiratory.
Describe the characteristics of the various domains of living things. Do you notice any similarities or differences between the domains' characteristics
Question: Do ruby-throated hummingbirds prefer some colors more than others when visiting flowers?
What is the rationale behind taxonomists placing sharks and dolphins in different taxonomics groups?
Discussion on sexual and asexual reproduction.Some organisms reproduce sexually while others reproduce asexually.
Coffee and Blood Glucose in Mice.Which is the control group? Why?Which is the treatment group? Why?
Dinosaurs and Birds do Interbreed.A new species has been discovered. The animal is a vertebrate, approximately 18-24 inches in length
Name four animal phyla with segmentation.Name and briefly explain four characters of insects that they don't share with other arthropods.
What are the similarities and differences between a moss sporophyte and a fern sporophyte?
Explain the multiregional hypothesis for the origin of humans, and list two lines of evidence to support it.
How fish have evolved to survive in their environment.Locate a diagram of an organism with the main organs and structures labeled.
What are the physiological challenges an organism (such as a waterbug) might experience in a freshwater lake of the following conditions
Migration in Male Birds.Imagine a male bird migrating back north after a long, tough winter in Central America,
Discuss the characteristics that define humans as belonging to the phylum Chordata. How do these characteristics change after the embryonic stage of growth?
Summarize the government's findings and investigations pertaining to MRSA.
Why is ribulose bisphosphates one of the most common organic molecules in living things?
In general, how many unrooted trees are there relation five taxa?Draw the following two trees. the first one has taxa 2 and 5 as sister taxa and taxa 1
Is there any advantage to having plants in your house, other than for decor?Does the oxygen provide any added benefit?
Define and briefly discuss both siphonogamy and the seed.Which do you think came first?
The only plants that posses flowers are the: A. Angiosperms B. Seed plants C. Gymnosperms D. All of the above
Which Division contains members once used to scrub pots and pans? a. Division Sphenophyta
What is the name of the blue-green pigment molecule that is one of the "alarm buttons" for some biological clocks in plants?
Which plant would you expect to produce radioactive sugars and which plant would you expect to produce radioactive oxygen gas? Why?
Give the formula for photosynthesis. For each reactant, indicate where the plant acquires it. For each product, not during what part of photosynthesis