Answer:
The results are not able to be reproduced.
Explanation:
Generally, if an experiment is done and the results/similar results can not be reproduced then it can be considered invalid.
Answer:
Environmental Resistance
Explanation:
Environmental resistance can be defined as all the factors including physical factors, chemical factors and environmental factors including biotic and abiotic factors (e.g drought, mineral deficiencies, and competition) limiting the life forms of an organism or kind of organism and impose a restriction on their numerical increase. These factors limit the growth of species in a population.
A. Nonnative species that are superior competitors
True because some fossils only lived in certain places
Antibiotics are usually derived from bacteria.
