Well Selective breeding is where animals will mate with others who has Positive traits that they'd like there young/ken to have. We tare down trees which kills animals and also we kill animals for food or whatever which decreases the population. If i didn't completely answer the question just say and ill respond quickly to help!
a lack of resources cause organisms to fight for the resources and some organisms use said resources to obtain what they need to survive such as how predators act around a water hole.
The Earth's crust comprises about 95% igneous and metamorphic rocks, 4% shale, 0.75% sandstone, and 0.25% limestone. Oxygen, silicon, aluminum, and iron account for 88.1% of the mass of the Earth's crust, while another 90 elements make up the remaining 11.9%.
Answer:
The correct answer is A The student is investigating the passive transport of diffusion.
Explanation:
Diffusion is a type of transport process which helps in the transport of small molecules and gases towards their concentration gradient that"s means from region of high concentration to the low concentration region untill equilibrium is reached.
In this question the 10 drops are red coloured food particles that are placed into the beaker, diffuses to all the regions of the beaker untill the concentration of that red colored food particle become same in all the regions to which red colored food particle diffuse.
