The umbilical cord contains one umbilical vein and two arteries. Hope this helps.
<span>The range of human hearing is generally considered to be 20 Hz to 20 kHz, but it is far more sensitive to sounds between 1 kHz and 4 kHz. For example, listeners can detect sounds as low as 0 dB SPL at 3 kHz, but require 40 dB SPL at 100 hertz (an amplitude increase of 100).</span>
Answer:
The endodermis is the central, innermost layer of cortex in land plants.The endodermis helps regulate the movement of water, ions and hormones into and out of the vascular system. It may also store starch, be involved in perception of gravity and protect the plant against toxins moving into the vascular system.
Answer:
1. False
2.True
3.False
4.True
5.False
6.False
7.False
8.True
9.are very numerous and diverse
10.binomial nomenclature
11.common names
12.taxon
13.The first name only
14.species in its genus
15.Mammalia
16.eukaryotes
17.Fungi
18.convergent evolution
19.Panthera
20.Bacteria
21.Binomial
22.Species
23.Eukarya
24.Chordata
25.kingdom
26.Homo sapien
Explanation:
Answer:shelter, land, prey
Explanation:
