Apart from cutaneous respiration<span> present in all species, most </span>lissamphibians<span> are born in an aquatic </span>larval<span> stage with gills. After metamorphosis they develop lungs to breathe on land. The </span>larvae<span> of </span>urodeles<span> and apods present external, </span>filamentous<span> and highly branched gills which allow them to breathe underwater. Hope this Helps! :)</span>
Bacteria can replicate themselves.
Crossing over is a method of variation
Answer:
Leaves
Explanation:
because plant leaves have something called chloroplasts in them that absorb sunlight. :)
An established conditioned stimulus is paired with a new neutral stimulus in: higher-order conditioning.
Classical conditioning refer to a learning process that involves the repeated pairing of two (2) stimuli:
Basically, classical conditioning is a learning procedure which helps psychologists in understanding when a neutral stimulus is paired with a conditioned response or a neutral stimulus and an unconditional stimulus.
Similarly, a higher-order conditioning involves pairing an established conditioned stimulus with a new neutral (the second-order) stimulus, in order to make the new stimulus elicit (bring forth) the conditioned response, without presenting the initial conditioned stimulus.
Read more: brainly.com/question/24078563
