Year Review 1

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1.
1 point
Which of the following is an biotic factor?
2.
1 point
Each human skin cell has a total of how many chromosomes?
3.
1 point
Anything that restricts the number of individuals living in a population is known as __________________.
4.
1 point
Which of the following eats consumers?
5.
1 point
Which do all primates have in common?
6.
1 point
The largest category (or group) or organization for plants and animals is called a ________________
7.
1 point
A genetic trait that masks (or hides) another trait is called the ___________________ trait.
8.
1 point
A heterozygous tall pea plant (Tt) crossed with a homozygous short pea plant (tt) would make which offspring?
9.
1 point
Scientists estimate the Earth to be about how old?
10.
1 point
What is the two word name used to classify organisms?
11.
1 point
The role an organism plays in its community is its _____________.
12.
1 point
Which organelle in a cell directs all the cells activities?
13.
1 point
Change in the hereditary features of a type of organism over time in known as what?
14.
1 point
The instinctive seasonal movement from one location to another is called what?
15.
1 point
How many mm are their in 23.4cm?