Exocrine glands

A) have products that are transported via the circulatory system.
B) lack ducts.
C) include goblet cells and milk glands.
D) release hormones.
E) lack epithelial tissue.

The lower portion of the uterus is called the endometrium.

Which of the following incorrectly matches the group with its emergence in the fossil record?

A) extant mammal groups - 160 million years ago
B) dinosaurs - 350 million years ago
C) flowering plants - 136 million years ago
D) insects - 400 million years ago

In which animals would diffusion alone not be an effective transport mechanism for gas exchange?

A) Nematodes
B) Sponges
C) Cnidarians
D) Annelids
E) Flatworms

The fluid that surrounds cells in tissues is called ____.

A) interstitial fluid
B) blood
C) urine
D) lymph
E) water

​When examining the fossil record, organisms most closely related to living species will be found ____.

A) ​in the topmost layers
B) ​in the lowest layers
C) ​on the Earth's exposed surface
D) ​as trace fossils only
E) ​on shorelines