Grade means HAVING SIMILAR ADAPTIVE PATTERNS.
In evolution, a grade refers to a group of species that have similar traits (the trait could be morphological or physiological) and which has given rise to another group that possess major differences from the ancestral form.
Answer:
C. The reactions take up too much space in the cell if the enzymes are missing.
Explanation:
Answer:
No osmosis occurs. Red blood cells placed in a solution with a higher water concentration compared to their contents (e.g pure water) will gain water by osmosis, swell up and burst. Water will diffuse from a higher water concentration outside the cell to a lower water concentration inside the cell.
Answer:
D) Light and Water
Explanation:
Using energy from light, plants chemically combine carbon dioxide and water to create glucose and oxygen. This process is called photosynthesis. Plants also absorb oxygen gas from the air. Like animals, plants need oxygen to respire.
Answer:
A
Explanation:
A appears to have a rooftop garden and is in the city.
B is a farm in the middle of nowhere.
C could be a neighborhood garden in a surburban area.
A is the best choice because of its surroundings and the popularity of home gardens is rising.