Bison hunting can impose selection on horn length in bison. In 2014, you measured adult horn length in a bison population immediately before the hunting season and you found an average horn length of 61 cm. You then found the average adult horn length was 54 cm from individuals that were breeding immediately after the hunting season. The average adult horn length of the offspring from these breeding individuals was 60 cm. What is the selection differential that hunting has imposed on the bison population

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.