Ineed 98 points will be added to your account when you answer these questions

1. describe the main factors that led to a boom in the human population size in the last 300 years.

2. population a contains 450,000 people and has a 3.3 percent annual growth rate. population b has 900,000 people and a 1.8 percent annual growth rate. which population would increase by more people in one year? explain

3. describe the relationship between population density and population distribution.

4. as people become more concentrated in cities, some pressure on ecosystems in areas that are not less populated eases. why do you think this is the case?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production

Interferons play a vital role in the immune system why are interferons so important?