Examlex
Using an ecosystem with which you are familiar (deciduous forest, grassland, desert, freshwater pond, etc.)draw a diagram of a food chain, using at least four organisms at different levels. Indicate in your diagram the ultimate source of energy. As much as possible, account for all of the energy as it moves through the chain.
Neurotransmitters
Chemicals that transmit signals across a synapse from one neuron to another neuron or to a target cell in a muscle or gland.
Synaptic Cleft
Gap separating the neuronal presynaptic membrane from the postsynaptic membrane.
Axon Terminal
The endpoint of a neuron where neurotransmitters are released to communicate with neighboring neurons, muscles, or glands.
Dendrite
Branching extension of a neuron’s cell membrane; greatly increases the cell’s surface area; collects information from other cells.
Q4: Match the following examples with mitosis, meiosis,
Q5: Cytokinesis in plant cells differs from cytokinesis
Q6: Which of the following is not true
Q17: Which of the following is not true
Q20: Scientists have found that ancient fossils<br>A)are very
Q24: Flowering plants such as prairie grasses, corn,
Q34: A serving of 30 grams of almonds
Q38: All ecosystems<br>A) need a continuous outside energy
Q38: What gram-positive organisms are the smallest living
Q45: Malarial parasites' favorite food source is<br>A)chitin.<br>B)collagen.<br>C)myosin.<br>D)hemoglobin.<br>E)fibrinogen.