Reproductive systems with external fertilization are most common in...

What will be an ideal response?


aquatic animals

Biology & Microbiology

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The two major forms of carbon that remain following microbial degradation are

A) methane, organic matter, and fossil fuels. B) methane and carbon dioxide. C) lignin and fossil fuels. D) organic matter and hydrocarbons.

Biology & Microbiology

Plants require energy to perform photosynthesis. Photosynthesis uses the energy, water, and carbon dioxide to make glucose, which is stored for energy. Because energy is initially required, photosynthesis is a(n) reaction.


This diagram summarizes energy transfers and molecule exchanges among plants and animals, as you will later learn we call producers and consumers.
A. kinetic energy
B. potential energy
C. exergonic
D. equilibrium
E. endergonic


Biology & Microbiology

Countries expected to show the most population

growth in decreasing order are a. China > India > Pakistan > Nigeria > Bangladesh > Indonesia. b. China > Pakistan > India > Nigeria > Bangladesh > Indonesia. c. India > China > Pakistan > Nigeria > Bangladesh > Indonesia. d. India > China > Pakistan > Bangladesh > Nigeria > Indonesia. e. India > China > Pakistan > Bangladesh > Indonesia > Nigeria.

Biology & Microbiology

________ is a control method that removes microorganisms rather than inhibiting or killing them.

A. Sterilization B. Filtration C. Disinfection D. Radiation E. Boiling

Biology & Microbiology