Tunas are considered to be poikilotherms, because

internal temp varies with temp of water outside

To be a large animal but have a high surface to volume ratio

can happen if the animal is nearly flat.

carbon dioxide and water are used to produce glucose.

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That's Life Ch.4

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Marine Biology basics

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Questions 15

Answers

1
A zygote
forms by meiosis
is diploid
forms after cell division
is haploid
2
Tunas are considered to be poikilotherms, because
they do not have blubber
internal temperature stays the same despite external changes
they cannot retain heat generated by their muscles.
internal temp varies with temp of water outside
3
Which group of organisms is not included in the five-kingdom system?
bacteria
multicellular seaweeds
fungi
viruses
4
An important function of lipids for marine birds is which?
carrying oxygen in the blood
structural support
keeping feathers dry
speeding up metabolism.
5
Which of these are not included in the Kingdom Protista?
fungi
seaweeds
unicellular organisms
eukaryotic organisms
6
A molecule that speeds up chemical reactions in organisms is called a/an
enzyme.
lipid.
nucleic acid.
hormone.
7
To be a large animal but have a high surface to volume ratio
can happen in a spherical animal.
is impossible.
can happen if the animal can regulate its body heat.
can happen if the animal is nearly flat.
8
Which is the correct arrangement of biological taxa?
Kingdom-Phylum-Class-Order
Phylum-Order-Class-Family
Kingdom-Class-Phylum-Order
Class-Phylum-Order-Family
9
Unlike animal cells, plant cells have which of these?
mitochondria
a nucleus
a cell wall
flagella
10
Two species are considered to be reproductively isolated from each other if they
produce infertile offspring after mating.
are very different in size.
inhabit separate areas.
look different from each other.
11
In photosynthesis,
carbon is converted to an inorganic form.
carbon dioxide and water are used to produce glucose.
energy stored in organic matter is transferred to ATP.
glucose is broken down into carbon dioxide and water.
12
In the ocean, the most important nutrient is
iron.
phosphate.
nitrate.
silicate.
13
An example of a structural carbohydrate is
chitin.
RNA.
ATP.
glucose.
14
In sexual, but not asexual, reproduction
buds can break off.
cell division occurs
meiosis occurs.
offspring are genetically identical to the parent
15
A sea anemone reproduces by fission. This form of asexual reproduction produces
clones.
haploid cells.
daughter cells.
gametes.

That's Life Ch.4 Flashcards | StudBud