1) Which feature in cnidarians is the strongest indicator that they are more complex than sponges? They have the ability to reproduce sexually.
They have the ability to attach to surfaces.
They have a medusa body form.
They have nerve cells.

The answer is "They have nerve cells". Edge. 2021

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them