Drag and drop the features of a normal lung, an asthmatic lung, and features common to both, into the correct categories
Asthmatic Lung
Both
Normal Lung
Lined with columnar epithelial cells
Thin basement membrane
Thickened basement membrane
Thin mucosal lining
Thin smooth muscle
Lamina propria
Smooth muscle is thickened
Macrophages and eosinophils are present
Goblet cells produce mucus
Mucosal thickened

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos

Choose the diagram that best represents a habitat corridor explain your choice.