Jean is doing an experiment to find out whether mold grows faster on certain types of bread. she has eight different types of bread. she places them out on the same counter. every day, jean examines each loaf of bread for signs of mold growth. she then records her observations.

which variable is jean changing in the experiment?
a.
the type of bread
b.
the type of mold
c.
the amount of time each loaf is left out
d.
the amount of light each loaf receives

‘all monkeys have tails’ is an absolute statement. t or f

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.