This is an inference because it’s not an observation
25% is the probability of a homozygous recessive offspring if both parents are heterozygous.
Answer: A BMI(Body mass index) is the ratio for determination of the total fat of the body. It is considered ideal if the BMI value is ranging from 18.5 to 24.9
Explanation: Body mass index(BMI) defines whether the person is over weight or underweight by calculating the overall fat of the body . A range of 18.5 to 24.9 BMI value is considered to be healthy. If the value is higher than 30 then it is considered as person is obese/overweight and if the value is below 18.5 it is considered to be underweight.
The veins carry blood to the heart after being deprived of oxygen
This role would be the organisms niche. None of the other choices make any sense. A nesting site is not a role, a biomass is not a role, and territorial range is not the role an animal has in its community. A niche is an organisms role in its community, how it interacts with the things around it, where it lives and what it does.