Answer:
2)
Explanation:
The positive control is the treatment where bacteria grew without lead. Since positive control indicates the presence of bacteria in the experimental conditions, it is possible to confirm that they only death in presence of this metal. However, it is important to note that it is imperative to repeat this experiment three times and also to include a negative control in order to confirm these results.
the flowers are generally so beautiful and attractive to attract birds and insects for helping the plant to reproduce. when the bird or insect lands on some other flower, some of the pollen spreads and pollination occurs.
Answer:
We can't see the bar graph but showers use a lot of water so my guess would be cutting back on the time spent in the shower.
Explanation:
I do believe it would be the last one in which it describes how how the other species would decline in population size and migrate
<span>There are many differences between these groups. Including the sporangia size and structure, type of spores produced, structure of the gametophyte generations, the way each generation lives, some are parasitic some aren't, the habitat. etc. It would require a detailed list of information. Try looking up basic characteristics of each group and making a table to compare them to the ferns. You could use: sporangia, gametes, sporophyte appearance, habitat etc.
They are all vascular by the way, including ferns. The familiar mosses are not, they are Bryophyes which you have not asked about. The club mosses for example are Lycophytes, and very dissimilar to familiar moss.</span><span>
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