What type of organism can concentrate microbes?
a. Grazers
b. Filter feeders
c. Secondary consumers
d. Tertiary consumers
e. Scavengers
B
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All fungi can form hyphae.
Answer the following statement true (T) or false (F)
In this figure, what do the yellow arrows marked #1 and #2 indicate?
a. light energy b. heat energy c. greenhouse gases d. atmospheric gases e. carbon dioxide
Small, circular DNA molecules that are located outside the main chromosome of bacteria and are capable of self-replication are ________
Fill in the blank(s) with correct word
Choose the item in column 2 that best matches each item in column 1
A) gaps in the myelin sheath where electrical activity is concentrated B) excess of negative charge within the cell and excess of positive charge outside the cell C) neuronal cell extension that propagates action potentials away from the cell body D) excess of positive charge within the cell and excess of negative charge outside the cell E) neuronal cell extension that passively passes electrical signals toward the cell body F) discontinuous insulation of an axon G) signaling junction between adjacent nerve cells H) collection of dendrites I) bundle of axons 1) dendrite 2) nerve 3) myelin sheath 4) nodes of Ranvier 5) resting membrane potential 6) axon 7) synapse