Adoctor notices that a patient is having difficulty absorbing nutrients. which structure is most likely involved in the patients problem?
intestines
pharynx
esophagus
stomach

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food