Brown-headed cowbirds are a predatory bird, The female cowbird watches a wren (small bird) build a nest. Right after the wren has laid her eggsthe female cowbird gets rid of one wren egg and lays one of her own. When the cowbird chick hatches, it pushes the other wren eggs out and the mother wren, unknowinglyand raises the invader. What type of adaptation does the brown-headed cowbird have in the scenario above ? A-Behavioral Adaptation B- Structural Adaptation C-Physiological Adaptation D-Sexual Adaptation

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

All organisms contribute some water to the water cycle by conducting

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous