Fossils of a species of bear are found in layer 5. Which layer is most likely to
have organisms that lived at the same time as the bear species?

Layer 4

Explanation:

the law of superposition states that in any undisturbed sequence of rocks deposited in layers the youngest layer is on the top and the oldest on bottom

the answer is d.) homologous; have mammary glands

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).