Answer:
Ostia are tiny pores present all over the body of sponges. its function is to let the water, along with desire nutrient flows interior of the sponges.
The pulmonary structures refers to the organs of the body that are involved in the breathing process. These include the nostril, the oral cavity, the trachea, the two lungs, etc. Humans take oxygen from the environment to facilitate the respiratory process, at the same time they release carbon dioxide to the environment using the pulmonary structures.
<span>The question is asking us to continue the sentence in: Biology and geology are two very different sciences, but biologists and geologists use scientific knowledge in the same way. These scientists both use scientific knowledge to... First, Geologists don't work with humans specifically, so we can reject answer D) Similarly, we reject answer B because it's only geologists who investigate Earth's different layers. Option C is again only true for one of the groups: the biologists! So the correct answer is A. answer questions and solve problems affecting the natural world.</span><span />
Answer:
An invasive species thrives in its new ecosystem and out-competes native species. So, some factors are dominance, environment, predators, and resource availability.