You are presented with the question "What occurs through birth and death?" and the following answer choices: - sleep - illness - anemia - tearing - Leptospirosis - nature - starvation - evolution Now knowing that evolution occurs by a process called natural selection and birth and death are natural processes, choose the best answer.
evolution
(Question)
You are presented with the question "what reproduces sexually?" and the following answer choices: - insects - h2o - Most plants - Plant reproduction - viruses - adult sponges - mold - spread flower seeds Now knowing that adult sponges produce eggs and sperm and sexual reproduction involves sperm and an egg, choose the best answer.
(Answer)
adult sponges
Ques: You are presented with the question "building housing developments usually requires replacing where an animal what?" and the following answer choices: - humans - trees - lives - dogs - houses - cells - biome - Frogs. Now knowing that building housing developments usually requires replacing animal habitats and an animal's habitat is where it lives, choose the best answer.
Ans: lives
(Q).
You are presented with the question "What organ is harmed by air pollution?" and the following answer choices: - piano - church organ - heart - harp - bushes - animals - eardrum - lungs Now knowing that air pollution harms the respiratory and circulatory systems and sulfur dioxide can irritate the respiratory system and damage the heart and circulatory system, choose the best answer.
(A).
heart
Ques:You are presented with the question "What bodies of water may start with runoff?" and the following answer choices: - solid, liquid, gas - agriculture - flooding - Condensation - smaller ones - loose soil - reducing acid rain - storms Now knowing that streams may start with runoff or water seeping out of a spring and then, the stream flows into a larger body of water, choose the best answer.

Ans:smaller ones
Question: You are presented with the question "What has a positive impact on an ecosystem?" and the following answer choices: - mussels - hurricanes - invasive species - Frogs - stay warm - animals - wildfires - oxygen Now knowing that planting trees has a positive impact on an ecosystem and trees produce oxygen, choose the best answer.
Answer:
oxygen