Which of the following best describes energy transformations in ecosystems? a. Most energy in a lower trophic level is passed to higher trophic levels. b. Heat is not a significant waste product as energy passes betweer trophic levels. c. Most of the energy collected by an organism is not passed on to other organisms. d. Tertiary consumers collect the most energy in an ecosystem.

Which one of the following groups is composed of prokaryotic cells? View Available Hint(s) animals protists bacteria fungi

Which of the following is NOT a loose connective tissue? elastic cartilage areolar reticular adipose

X What structure combines together to create DNA? Sugar molecules Hydrogen bonds Nucleotides C Amino acids

A species with an initial population of 120 is growing in an environment where the carrying capacity is 750. After 3 years the population is up to 450 Use a logistic function to estimate the population after 5 years . Round to the nearest whole number. $Population=[?]$ individuals.

Which statements are true about bacteria? (Select all that apply) They were one of the first life forms on Earth Their total biomass is greater than that of all plants and animals combined Some are multicellular They only live in human bodies.

Match each example on the left to the type of reproductive barrier on the right. A desert keeps frogs on either side from mating with one another. Female spring peeper frogs only mate with males that make a a. behavioral barrier b. physical barrier c. geographic barrier

Which of the following macronutrients is the preferred fuel for the brain and red blood cells? A proteins B lipids C water D carbohydrates E proteins and lipids

The technique developed by Hans Christian Gram is important for bacterial classification. etiology. identification. epidemiology. isolation.

Elements/metals found in food that regulate body functions Water Minerals Vitamins Carbohydrates

This is looking serious , we better get to work quickly. Before we start, do you have any questions? a) Can you tell me a bit more about bacterial colonies? b) How exactly can we isolate a single colony? c) That's all, I'm ready to get streaking!