Animals are ___________ because they consume other organisms
Fill in the blank(s) with the appropriate word(s).
Ans: Heterotrophs.
You might also like to view...
During a stressful interval, _____
A) thyroid-stimulating hormaon (TSH) stimulates the adrenal cortex and medulla to secrete acetylcholine B) the alpha cells of islets secrete insulin and simultaneously the beta cells of the islets secrete glucagon C) adrenocorticotropic hormone (ACTH) stimulates the adrenal cortex, and neurons of the sympathetic nervous system stimulate the adrenal medulla D) the posterior pituitary gland secretes more growth hormones E) the calcium levels in the blood are increased due to actions of two antagonistic hormones, epinephrine and norepinephrine
Isoelectric focusing
A. directly reveals the identity of unknown proteins in a complex mixture. B. separates proteins based on the pH at which they are electrically neutral. C. separates proteins based on their size and shape. D. focuses the data gathered onto a specific protein or ORF.
Which of the following statements is NOT true?
a. Natural selection is based upon differential reproduction and survival. b. For evolution to occur in a population, there must be some variation. c. Most mutations have beneficial effects on traits. d. A population evolves when heritable change occurs in a line of descent. e. Over time, some genetic traits are more adaptive than others.
The epidermis consists of
A. collagen fibers. B. elastic fibers. C. adipose tissue. D. stratified squamous epithelial cells.