Biology

posted by .

I believe that I have answered the following questions correctly, but would like some reassurance.

organisms that are used to decontaminate soils may
a. store contaminates in their tissues
b. release pollutants into the air
c. degrade the pollutants
d. be plants or microorganisms
**e. all the above**

polysaccharides are used by plants for
a. food storage
b. food storage and structural support
c. cementing cells together
d. structural support
**e. food storage, structural support, and cementing cells together**

Chemicals produced by one group of cells that affect other target cells are called
a. secretions
b. plymers
c. steroids
**d. signaling molecules**
e. enzymes

The endosperm of a plant
a. produces sperm cells
b. protects the young embryo within a seed
**c. is the food supply for the new sporophyte plant**
d. provides a connection between the ovary of a flower and a developing seed
e. composed of haploid tissue

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. science can someone please check

    Write a 200- to 300-word response explaining how that physiological process differs among the following organisms: o Bacteria o Grasshopper o Fish o Bear i chose gets rid of waste my answer is as follows Bacteria would get rid of waste …
  2. AP BIOLOGY

    I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.
  3. 11th grade Biology

    I have three questions that I can't find anywhere. 19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the: A. Organisms at the top of the evolutionary tree B. Generalists C. Specialists D. Invertebrates …
  4. math

    Sheryl correctly answered 85% of the questions on her 200-question biology final. Fernando scored a 90% on his 180-question chemistry final. (a) Who answered more questions correctly?
  5. math

    Sheryl correctly answered 85% of the questions on her 200-question biology final. Fernando scored a 90% on his 180-question chemistry final. (a) Who answered more questions correctly?
  6. science

    When automobiles burn gasoline, they release many pollutants including sulfur oxides into the air. The release of sulfur oxides is a chief cause of acid rain. Which of the following is a consequence to the natural environment due to …
  7. science(check answers)

    1.A 2.A 3.D 4.C 1.Is the following statement true or false?
  8. biology

    Which of the following would NOT likely have occurred without the evolution of photosynthetic organisms?
  9. P.E. help

    Pollution is the presence or release of substances- called pollutants- into the enviorment in quantities that are harmful to living organisms. True False Is the answer True?
  10. probabilities

    A multiple choice test has 16 questions. Each question has 4 possible answers with only one is correct. Assume that all questions are answered and the probability to answer any question correctly is 0.25. Let X be the number of questions …

More Similar Questions