Answer:
The stimuli is photoreceptor
Explanation:
The fish has been conditioned to react to light so it has conditioned response
Answer:
Igneous rocks are the cooling and hardening of magma or lava and sedimentary rock is made of sediment cemented together
Explanation:
The three types of rock are igneous, metamorphic and sedimentary. Igneous rock is formed by the cooling and hardening of magma and lava. Examples include granite and basalt. Metamorphic rock is formed when other rocks are exposed to high heat and pressure, causing a chemical change in the rock. Examples include marble and gneiss. Sedimentary rock is formed when sediment is cemented together by minerals. Examples include sandstone and limestone.
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Pollution, overfishing, destructive fishing practices using dynamite or cyanide, collecting live corals for the aquarium market, mining coral for building materials, and a warming climate are some of the many ways that people damage reefs all around the world every day.
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The nature of the pathogen is an intrinsic feature that is involved in shaping the effector cd4 T-cell response.
<h3>What are cd4 T-cells?</h3>
The cd4 T-cells are cells of the immune system involved in adaptive immune responses, which emerge by contact with the pathogen and involve the production of antibodies that target specific antigens.
In conclusion, The nature of the pathogen is an intrinsic feature that is involved in shaping the effector cd4 T-cell response.
Learn more about cd4 T-cells here:
brainly.com/question/2396517
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