The illustration shows bones in four animals. The bones labeled as A are known as and offer evidence of a common ancestor.
penguin
A
bat
alligator
human
extinct structures
sequential structures
analogous structures
homologous structures

Abnormal softening of a gland is known as

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.