Mary has type a blood and her husband (john) has type b blood. john's parents both had type ab. mary and john havethree children, one with type a, one with type ab, and one with type b. relatives suspect that one of the children was adopted.

If many different species live in an ecosystem, this the ecosystem to fill its a. populations b. niches c. producers d. communities

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto