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Across
3.A virus is a nonliving particle that contains DNA or RNA and that can infect
6.The mesoderm lined body cavity found in some invertebrates is called
8.what type of oxygen do algae produce in nature? (see chapter 24)
10.An external skeleton is an
12.What do bryophytes have that encolse their reproductive cells to prevent them from drying out?
13.The largest group of fishes is the
14.What did the Cambrian explosion produce a variety of?
15.What does the virus attach to in step one of the lytic and lysogenic cycles?
17.The first vertebrates that did not need water for reproduction were
19.The name of a phyla that starts with a z
20.Mushrooms, including toadstools and bracket fungi, are examples of
22.Bacteria are cells without nuclei, or
25.When a virus infects a cell, where does it release it’s own genetic material? into the
26.Which vertebrate has the most advanced respiratory system?
27.In plants, the main organs of photosynthesis are the
30.a characteristic that animals share (19 letters)
35.The name of a phyla that starts with a b
37.The largest animal phylum contains the
39.The age of a plant determines whether is it is classified as an...
41.In the thrid step of the lytic infection, what is assembled?
42.a characteristic that animals share (9 letters)
43.What enables bryophytes to absorb water and nutrients from the soil?
44.Phototropism results in seedling stems growing...
45.Drugs that destroy bacteria are called
46.What do plants take in through structures called root hairs?
47.What technique do Farmers use to combine the best characteristics of two different plants?
48.What is a vertebrate with four limbs
49.a characteristic that animals share ( 24 letters)
Down
1.a characteristic that animals share ( 11 letters)
2.What do brophyytes have that protect them against water loss?
4.In the lytic infection, what breaks open to release new viruses?
5.Which animals have both male and female reproductive organs?
7.Because their reproductive cycles are similar to those of plants, what are also considered plants?
9.The first animals to show bilateral symmetry were the
11.The 4th step of this infection is: conditions cause provirus to separate and destroy host's DNA
16.The name of a phyla that starts with an a
18.The cerebellum is best developed in
21.In many fungi, spores are produced in structures called...
23.a characteristic that animals share (22 letters)
24.What happens to the bacterium's DNA in step two of the lytic cycle? It is...
28.What are classified into phyla by the way they move?
29.The name of a phyla that starts with a d
31.a characteristic that animals share ( 17 letters)
32.Because plants had a type of cell that was specialized to conduct water, where did they manage to survive?
33.What mosquito transmits the protist that causes malaria?
34.a characteristic that animals share ( 12 letters)
36.What are used in the processing of foods, chemical and wastewater?
38.Ectotherms obtain the heat they need from the
40.Where are Eubacteria found? Almost everywhere

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