Examlex
Features that contributed to success on land include a(n)__________ that protects spores.
Negative Reinforcer
A stimulus that, when removed after a behavior, increases the likelihood of that behavior being repeated in the future.
Primary Reinforcer
Any reinforcer that is naturally reinforcing by meeting a basic biological need, such as hunger, thirst, or touch.
Fixed-Ratio Schedule
A fixed-ratio schedule is a type of operant conditioning reinforcement schedule where a response is reinforced only after a specified number of responses.
Variable-Ratio Schedule
A reinforcement schedule in which a response is reinforced after an unpredictable number of responses, leading to high and steady response rates.
Q1: Refer to the accompanying figure.What fungal structure
Q13: Homo species whose fossils were discovered with
Q15: This phylum has the greatest number of
Q22: Laboratory simulations provide indirect evidence that organic
Q29: Features that contributed to success on land
Q30: The megaspore produces a gametophyte with _
Q34: Of all organisms,prokaryotes are the _. <br>A)
Q38: _ have shells made of calcium carbonate,while
Q57: This phylum has no tissues or organs.<br>A)Porifera<br>B)Cnidaria<br>C)Platyhelminthes<br>D)Nematoda<br>E)Annelida
Q59: _ shifts the range of variation in