Which trophic level contains the organisms that are source of all chemical energy used in an ecosystem

In biological systems most of the original energy from the sun is lost as? A. Light B. Kinetic energy of motion C. Heat D. Potential chemical energy

Transcribe the following DNA into mRNA T-A-C-C-G-T

Why is an egg cell smooth and spherical?

Which word describes an artificial pond with raised edges used for agriculture A) shaduf B) paddy C) aqueduct D) Chinampa

2. Members of this kingdom secrete enzymes into their food then absorb the digested matter directly into their cells. A. Fungi B. Plantae C. Protista D. Animalia E. Archaebacteria F. Eubacteria

On the average, the Neanderthals were physically: a. taller and thinner than modern humans b. much more lightly built than modern humans c. shorter and more muscular than modern humans d. probably weaker than modern humans e.

Sunflower plants have smooth and fleshy stems. Based on these characteristics, which type of plant could it be? A.) Herbaceous B.) Woody C.) Monocot

Which of the following is the best definition of Genetics? a. The passing of traits from parents to offspring b. A child can get different forms of a trait from their parents c.

Classify each phrase as describing a competitive inhibitor, uncompetitive inhibitor, or mixed (mixed noncompetitive) inhibitor. Note that K m refers to apparent K m.

The nurse observes that a patient has an ingrown toenail that is hindering the patient's ambulation. what treatments does the nurse suggest for this patient?