The negative impact humans could have on an ocean ecosystem is pollution, which can lead to a mass extinction on the wildlife.
The organelle in which photosynthesis takes place is the chloroplasts
I think the answer is C) R I had this question and that was right for me hope this helps!
Answer:
Invertebrates have a very quick life cycle and die very easily, as a result, they evolve very quickly into many different types of animals. also, they are often very small and their ecosystems are subject to much quicker change than that of vertebrates, meaning that mutations in their genes become relevant more often. Many invertebrates span very large areas (sea animals span most of the oceans, insects span entire continents) and so they evolve to be different species in different places.
Or
They do not have bones, they live on water or land, they can have soft bodies or exoskeletons, and others are parasites.
Answer:
A) a physiological desire to consume food is the correct answer.
Explanation:
- Hunger is a feeling that the person needs food to eat.
- Hunger makes the body weak and vulnerable to infections because the body does not get adequate food to fight against the infections and due to hunger people suffer from malnutrition and if children remain hungry they often have abnormal in their growth.
- hunger is caused because of poverty, job instability, food shortages, poor infrastructure, nutritional quality.
- Symptoms of hunger are:
- Feeling of growling and emptiness in the stomach.
- Dizziness
- Gurgling in stomach
- not able to concentration
- headache
- irritability
- nausea
