Which would be an adaptation for living in the tundra? funnel shaped leaves to help w
In the experiment, you will determine whether adding nutrients to the soil changes the community of plants growing there. This is done by looking at the habitat’s composition and structure. Write a scientific question that you are answering by doing this lab. Write your question in general terms, not in terms of specific plants.

ater runoff
deep roots to go into the permafrost
hibernation to lower metabolism in the winter
large ears to release heat

Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach

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

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen