Answer:
1: cell membrane
2. chloroplast
Explanation:
1. the cell membrane is the outer layer of an animal cell since they don't have cell walls
2. only plant cells have chloroplasts
Answer;
The large intestine is much wider than the small intestine, but it is also much shorter. The small intestine is the longest part of the digestive system.
Explanation;
The small intestine is a muscular tube with three parts; the duodenum breaks down the food, the jejunum and the ileum absorb nutrients and send them into the bloodstream.
The reason why the small intestine is longer than the large intestine and any other part of the digestive system is to ensure maximum and complete absorption of nutrients to the blood stream.
1. for new forms of life
2. to find new inhabitable planets.
1.humans lack the technology to travel. by the time they get to the nearest inhabitable planet it would have been centuries.
2.ships we currently have are not made for far distance travel
Answer:
What previous paragraph? I don't really understand the question but, a molecule is the smallest part of a substance that has physical and chemical properties of that substance.
¿Qué párrafo anterior? Realmente no entiendo la pregunta, pero una molécula es la parte más pequeña de una sustancia que tiene propiedades físicas y químicas de esa sustancia.
Answer:
D
Explanation:
sperm cells travel to the ovary for fertilization
